Home / 739,663.95-1,108,569.72-397,265.95

Finding the Fourth Proportional to 739,663.95, 1,108,569.72 and 397,265.95

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Solution

The fourth proportional to 739,663.95, 1,108,569.72 and 397,265.95 is: 595,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,663.95 : 1,108,569.72 = 397,265.95 : x
  2. Step 2: Convert to fraction form
    739,663.95/1,108,569.72 = 397,265.95/x
  3. Step 3: Cross multiply
    739,663.95x = 1,108,569.72 × 397,265.95
  4. Step 4: Simplify right side
    739,663.95x = 440,397,005,832.49
  5. Step 5: Solve for x
    x = 440,397,005,832.49/739,663.95
  6. Step 6: Final answer
    x = 595,401.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.