Home / 731,195.10-1,097,440.65-431,300.70

Finding the Fourth Proportional to 731,195.10, 1,097,440.65 and 431,300.70

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Solution

The fourth proportional to 731,195.10, 1,097,440.65 and 431,300.70 is: 647,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,195.10 : 1,097,440.65 = 431,300.70 : x
  2. Step 2: Convert to fraction form
    731,195.10/1,097,440.65 = 431,300.70/x
  3. Step 3: Cross multiply
    731,195.10x = 1,097,440.65 × 431,300.70
  4. Step 4: Simplify right side
    731,195.10x = 473,326,920,553.46
  5. Step 5: Solve for x
    x = 473,326,920,553.46/731,195.10
  6. Step 6: Final answer
    x = 647,333.28

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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.