Home / 637,984.08-957,113.42-318,307.86

Finding the Fourth Proportional to 637,984.08, 957,113.42 and 318,307.86

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Solution

The fourth proportional to 637,984.08, 957,113.42 and 318,307.86 is: 477,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,984.08 : 957,113.42 = 318,307.86 : x
  2. Step 2: Convert to fraction form
    637,984.08/957,113.42 = 318,307.86/x
  3. Step 3: Cross multiply
    637,984.08x = 957,113.42 × 318,307.86
  4. Step 4: Simplify right side
    637,984.08x = 304,656,726,890.27
  5. Step 5: Solve for x
    x = 304,656,726,890.27/637,984.08
  6. Step 6: Final answer
    x = 477,530.29

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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.