Home / 747,282.72-1,031,272.84-425,039.16

Finding the Fourth Proportional to 747,282.72, 1,031,272.84 and 425,039.16

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Solution

The fourth proportional to 747,282.72, 1,031,272.84 and 425,039.16 is: 586,566.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,282.72 : 1,031,272.84 = 425,039.16 : x
  2. Step 2: Convert to fraction form
    747,282.72/1,031,272.84 = 425,039.16/x
  3. Step 3: Cross multiply
    747,282.72x = 1,031,272.84 × 425,039.16
  4. Step 4: Simplify right side
    747,282.72x = 438,331,341,644.41
  5. Step 5: Solve for x
    x = 438,331,341,644.41/747,282.72
  6. Step 6: Final answer
    x = 586,566.94

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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.