Home / 747,416.40-1,031,457.24-425,172.72

Finding the Fourth Proportional to 747,416.40, 1,031,457.24 and 425,172.72

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Solution

The fourth proportional to 747,416.40, 1,031,457.24 and 425,172.72 is: 586,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,416.40 : 1,031,457.24 = 425,172.72 : x
  2. Step 2: Convert to fraction form
    747,416.40/1,031,457.24 = 425,172.72/x
  3. Step 3: Cross multiply
    747,416.40x = 1,031,457.24 × 425,172.72
  4. Step 4: Simplify right side
    747,416.40x = 438,547,480,294.49
  5. Step 5: Solve for x
    x = 438,547,480,294.49/747,416.40
  6. Step 6: Final answer
    x = 586,751.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.