Home / 725,343.10-1,000,663.05-452,938.07

Finding the Fourth Proportional to 725,343.10, 1,000,663.05 and 452,938.07

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Solution

The fourth proportional to 725,343.10, 1,000,663.05 and 452,938.07 is: 624,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,343.10 : 1,000,663.05 = 452,938.07 : x
  2. Step 2: Convert to fraction form
    725,343.10/1,000,663.05 = 452,938.07/x
  3. Step 3: Cross multiply
    725,343.10x = 1,000,663.05 × 452,938.07
  4. Step 4: Simplify right side
    725,343.10x = 453,238,384,248.38
  5. Step 5: Solve for x
    x = 453,238,384,248.38/725,343.10
  6. Step 6: Final answer
    x = 624,860.68

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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.