Home / 731,909.57-1,097,021.93-282,431.66

Finding the Fourth Proportional to 731,909.57, 1,097,021.93 and 282,431.66

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Solution

The fourth proportional to 731,909.57, 1,097,021.93 and 282,431.66 is: 423,322.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,909.57 : 1,097,021.93 = 282,431.66 : x
  2. Step 2: Convert to fraction form
    731,909.57/1,097,021.93 = 282,431.66/x
  3. Step 3: Cross multiply
    731,909.57x = 1,097,021.93 × 282,431.66
  4. Step 4: Simplify right side
    731,909.57x = 309,833,717,849.04
  5. Step 5: Solve for x
    x = 309,833,717,849.04/731,909.57
  6. Step 6: Final answer
    x = 423,322.41

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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.