Home / 725,612.20-1,001,301.94-403,311.24

Finding the Fourth Proportional to 725,612.20, 1,001,301.94 and 403,311.24

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Solution

The fourth proportional to 725,612.20, 1,001,301.94 and 403,311.24 is: 556,545.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,612.20 : 1,001,301.94 = 403,311.24 : x
  2. Step 2: Convert to fraction form
    725,612.20/1,001,301.94 = 403,311.24/x
  3. Step 3: Cross multiply
    725,612.20x = 1,001,301.94 × 403,311.24
  4. Step 4: Simplify right side
    725,612.20x = 403,836,327,035.81
  5. Step 5: Solve for x
    x = 403,836,327,035.81/725,612.20
  6. Step 6: Final answer
    x = 556,545.67

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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.