Home / 747,580.86-1,031,625.72-425,260.80

Finding the Fourth Proportional to 747,580.86, 1,031,625.72 and 425,260.80

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Solution

The fourth proportional to 747,580.86, 1,031,625.72 and 425,260.80 is: 586,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,580.86 : 1,031,625.72 = 425,260.80 : x
  2. Step 2: Convert to fraction form
    747,580.86/1,031,625.72 = 425,260.80/x
  3. Step 3: Cross multiply
    747,580.86x = 1,031,625.72 × 425,260.80
  4. Step 4: Simplify right side
    747,580.86x = 438,709,978,987.78
  5. Step 5: Solve for x
    x = 438,709,978,987.78/747,580.86
  6. Step 6: Final answer
    x = 586,839.50

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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.