Home / 725,402.34-1,001,079.50-403,126.02

Finding the Fourth Proportional to 725,402.34, 1,001,079.50 and 403,126.02

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Solution

The fourth proportional to 725,402.34, 1,001,079.50 and 403,126.02 is: 556,327.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,402.34 : 1,001,079.50 = 403,126.02 : x
  2. Step 2: Convert to fraction form
    725,402.34/1,001,079.50 = 403,126.02/x
  3. Step 3: Cross multiply
    725,402.34x = 1,001,079.50 × 403,126.02
  4. Step 4: Simplify right side
    725,402.34x = 403,561,192,522.96
  5. Step 5: Solve for x
    x = 403,561,192,522.96/725,402.34
  6. Step 6: Final answer
    x = 556,327.39

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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.