Home / 731,867.90-1,097,239.05-371,742.86

Finding the Fourth Proportional to 731,867.90, 1,097,239.05 and 371,742.86

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Solution

The fourth proportional to 731,867.90, 1,097,239.05 and 371,742.86 is: 557,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,867.90 : 1,097,239.05 = 371,742.86 : x
  2. Step 2: Convert to fraction form
    731,867.90/1,097,239.05 = 371,742.86/x
  3. Step 3: Cross multiply
    731,867.90x = 1,097,239.05 × 371,742.86
  4. Step 4: Simplify right side
    731,867.90x = 407,890,782,550.68
  5. Step 5: Solve for x
    x = 407,890,782,550.68/731,867.90
  6. Step 6: Final answer
    x = 557,328.42

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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.