Home / 725,381.14-1,000,733.52-438,403

Finding the Fourth Proportional to 725,381.14, 1,000,733.52 and 438,403

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Solution

The fourth proportional to 725,381.14, 1,000,733.52 and 438,403 is: 604,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,381.14 : 1,000,733.52 = 438,403 : x
  2. Step 2: Convert to fraction form
    725,381.14/1,000,733.52 = 438,403/x
  3. Step 3: Cross multiply
    725,381.14x = 1,000,733.52 × 438,403
  4. Step 4: Simplify right side
    725,381.14x = 438,724,577,368.56
  5. Step 5: Solve for x
    x = 438,724,577,368.56/725,381.14
  6. Step 6: Final answer
    x = 604,819.39

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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.