Home / 747,628.58-1,031,714.28-425,331.81

Finding the Fourth Proportional to 747,628.58, 1,031,714.28 and 425,331.81

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Solution

The fourth proportional to 747,628.58, 1,031,714.28 and 425,331.81 is: 586,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,628.58 : 1,031,714.28 = 425,331.81 : x
  2. Step 2: Convert to fraction form
    747,628.58/1,031,714.28 = 425,331.81/x
  3. Step 3: Cross multiply
    747,628.58x = 1,031,714.28 × 425,331.81
  4. Step 4: Simplify right side
    747,628.58x = 438,820,902,115.25
  5. Step 5: Solve for x
    x = 438,820,902,115.25/747,628.58
  6. Step 6: Final answer
    x = 586,950.41

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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.