Home / 748,419.93-1,032,817.23-408,890.61

Finding the Fourth Proportional to 748,419.93, 1,032,817.23 and 408,890.61

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Solution

The fourth proportional to 748,419.93, 1,032,817.23 and 408,890.61 is: 564,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,419.93 : 1,032,817.23 = 408,890.61 : x
  2. Step 2: Convert to fraction form
    748,419.93/1,032,817.23 = 408,890.61/x
  3. Step 3: Cross multiply
    748,419.93x = 1,032,817.23 × 408,890.61
  4. Step 4: Simplify right side
    748,419.93x = 422,309,267,193.21
  5. Step 5: Solve for x
    x = 422,309,267,193.21/748,419.93
  6. Step 6: Final answer
    x = 564,267.80

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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.