Home / 747,713.67-1,031,849.07-425,423.77

Finding the Fourth Proportional to 747,713.67, 1,031,849.07 and 425,423.77

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Solution

The fourth proportional to 747,713.67, 1,031,849.07 and 425,423.77 is: 587,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,713.67 : 1,031,849.07 = 425,423.77 : x
  2. Step 2: Convert to fraction form
    747,713.67/1,031,849.07 = 425,423.77/x
  3. Step 3: Cross multiply
    747,713.67x = 1,031,849.07 × 425,423.77
  4. Step 4: Simplify right side
    747,713.67x = 438,973,121,430.39
  5. Step 5: Solve for x
    x = 438,973,121,430.39/747,713.67
  6. Step 6: Final answer
    x = 587,087.20

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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.