Home / 739,661.57-1,108,566.17-397,263.57

Finding the Fourth Proportional to 739,661.57, 1,108,566.17 and 397,263.57

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Solution

The fourth proportional to 739,661.57, 1,108,566.17 and 397,263.57 is: 595,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,661.57 : 1,108,566.17 = 397,263.57 : x
  2. Step 2: Convert to fraction form
    739,661.57/1,108,566.17 = 397,263.57/x
  3. Step 3: Cross multiply
    739,661.57x = 1,108,566.17 × 397,263.57
  4. Step 4: Simplify right side
    739,661.57x = 440,392,954,275.43
  5. Step 5: Solve for x
    x = 440,392,954,275.43/739,661.57
  6. Step 6: Final answer
    x = 595,397.91

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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.