Home / 739,571.10-1,108,708.65-502,143.90

Finding the Fourth Proportional to 739,571.10, 1,108,708.65 and 502,143.90

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Solution

The fourth proportional to 739,571.10, 1,108,708.65 and 502,143.90 is: 752,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,571.10 : 1,108,708.65 = 502,143.90 : x
  2. Step 2: Convert to fraction form
    739,571.10/1,108,708.65 = 502,143.90/x
  3. Step 3: Cross multiply
    739,571.10x = 1,108,708.65 × 502,143.90
  4. Step 4: Simplify right side
    739,571.10x = 556,731,285,474.74
  5. Step 5: Solve for x
    x = 556,731,285,474.74/739,571.10
  6. Step 6: Final answer
    x = 752,775.88

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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.