Home / 725,400.10-1,000,545.37-615,748.22

Finding the Fourth Proportional to 725,400.10, 1,000,545.37 and 615,748.22

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Solution

The fourth proportional to 725,400.10, 1,000,545.37 and 615,748.22 is: 849,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,400.10 : 1,000,545.37 = 615,748.22 : x
  2. Step 2: Convert to fraction form
    725,400.10/1,000,545.37 = 615,748.22/x
  3. Step 3: Cross multiply
    725,400.10x = 1,000,545.37 × 615,748.22
  4. Step 4: Simplify right side
    725,400.10x = 616,084,035,982.43
  5. Step 5: Solve for x
    x = 616,084,035,982.43/725,400.10
  6. Step 6: Final answer
    x = 849,302.39

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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.