Home / 788,784.10-1,183,176.15-290,083.30

Finding the Fourth Proportional to 788,784.10, 1,183,176.15 and 290,083.30

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Solution

The fourth proportional to 788,784.10, 1,183,176.15 and 290,083.30 is: 435,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,784.10 : 1,183,176.15 = 290,083.30 : x
  2. Step 2: Convert to fraction form
    788,784.10/1,183,176.15 = 290,083.30/x
  3. Step 3: Cross multiply
    788,784.10x = 1,183,176.15 × 290,083.30
  4. Step 4: Simplify right side
    788,784.10x = 343,219,642,073.30
  5. Step 5: Solve for x
    x = 343,219,642,073.30/788,784.10
  6. Step 6: Final answer
    x = 435,124.95

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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.