Home / 788,661.70-1,182,992.55-490,063.30

Finding the Fourth Proportional to 788,661.70, 1,182,992.55 and 490,063.30

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Solution

The fourth proportional to 788,661.70, 1,182,992.55 and 490,063.30 is: 735,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,661.70 : 1,182,992.55 = 490,063.30 : x
  2. Step 2: Convert to fraction form
    788,661.70/1,182,992.55 = 490,063.30/x
  3. Step 3: Cross multiply
    788,661.70x = 1,182,992.55 × 490,063.30
  4. Step 4: Simplify right side
    788,661.70x = 579,741,232,928.42
  5. Step 5: Solve for x
    x = 579,741,232,928.42/788,661.70
  6. Step 6: Final answer
    x = 735,094.95

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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.