Home / 731,374.40-1,008,890.48-425,416.34

Finding the Fourth Proportional to 731,374.40, 1,008,890.48 and 425,416.34

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Solution

The fourth proportional to 731,374.40, 1,008,890.48 and 425,416.34 is: 586,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,374.40 : 1,008,890.48 = 425,416.34 : x
  2. Step 2: Convert to fraction form
    731,374.40/1,008,890.48 = 425,416.34/x
  3. Step 3: Cross multiply
    731,374.40x = 1,008,890.48 × 425,416.34
  4. Step 4: Simplify right side
    731,374.40x = 429,198,488,290.91
  5. Step 5: Solve for x
    x = 429,198,488,290.91/731,374.40
  6. Step 6: Final answer
    x = 586,838.27

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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.