Home / 731,435.98-1,096,434.24-427,444.30

Finding the Fourth Proportional to 731,435.98, 1,096,434.24 and 427,444.30

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Solution

The fourth proportional to 731,435.98, 1,096,434.24 and 427,444.30 is: 640,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,435.98 : 1,096,434.24 = 427,444.30 : x
  2. Step 2: Convert to fraction form
    731,435.98/1,096,434.24 = 427,444.30/x
  3. Step 3: Cross multiply
    731,435.98x = 1,096,434.24 × 427,444.30
  4. Step 4: Simplify right side
    731,435.98x = 468,664,566,212.83
  5. Step 5: Solve for x
    x = 468,664,566,212.83/731,435.98
  6. Step 6: Final answer
    x = 640,745.85

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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.