Home / 788,680.10-1,183,020.15-220,060.10

Finding the Fourth Proportional to 788,680.10, 1,183,020.15 and 220,060.10

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Solution

The fourth proportional to 788,680.10, 1,183,020.15 and 220,060.10 is: 330,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,680.10 : 1,183,020.15 = 220,060.10 : x
  2. Step 2: Convert to fraction form
    788,680.10/1,183,020.15 = 220,060.10/x
  3. Step 3: Cross multiply
    788,680.10x = 1,183,020.15 × 220,060.10
  4. Step 4: Simplify right side
    788,680.10x = 260,335,532,511.02
  5. Step 5: Solve for x
    x = 260,335,532,511.02/788,680.10
  6. Step 6: Final answer
    x = 330,090.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.