Home / 725,503.17-1,001,172.85-415,395.45

Finding the Fourth Proportional to 725,503.17, 1,001,172.85 and 415,395.45

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Solution

The fourth proportional to 725,503.17, 1,001,172.85 and 415,395.45 is: 573,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,503.17 : 1,001,172.85 = 415,395.45 : x
  2. Step 2: Convert to fraction form
    725,503.17/1,001,172.85 = 415,395.45/x
  3. Step 3: Cross multiply
    725,503.17x = 1,001,172.85 × 415,395.45
  4. Step 4: Simplify right side
    725,503.17x = 415,882,646,553.53
  5. Step 5: Solve for x
    x = 415,882,646,553.53/725,503.17
  6. Step 6: Final answer
    x = 573,233.40

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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.