Home / 731,242.90-1,097,001.73-331,911.74

Finding the Fourth Proportional to 731,242.90, 1,097,001.73 and 331,911.74

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Solution

The fourth proportional to 731,242.90, 1,097,001.73 and 331,911.74 is: 497,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,242.90 : 1,097,001.73 = 331,911.74 : x
  2. Step 2: Convert to fraction form
    731,242.90/1,097,001.73 = 331,911.74/x
  3. Step 3: Cross multiply
    731,242.90x = 1,097,001.73 × 331,911.74
  4. Step 4: Simplify right side
    731,242.90x = 364,107,752,987.31
  5. Step 5: Solve for x
    x = 364,107,752,987.31/731,242.90
  6. Step 6: Final answer
    x = 497,929.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.