Home / 691,937.70-1,037,906.55-424,832.10

Finding the Fourth Proportional to 691,937.70, 1,037,906.55 and 424,832.10

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Solution

The fourth proportional to 691,937.70, 1,037,906.55 and 424,832.10 is: 637,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,937.70 : 1,037,906.55 = 424,832.10 : x
  2. Step 2: Convert to fraction form
    691,937.70/1,037,906.55 = 424,832.10/x
  3. Step 3: Cross multiply
    691,937.70x = 1,037,906.55 × 424,832.10
  4. Step 4: Simplify right side
    691,937.70x = 440,936,019,240.26
  5. Step 5: Solve for x
    x = 440,936,019,240.26/691,937.70
  6. Step 6: Final answer
    x = 637,248.15

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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.