Home / 690,815.10-1,034,149.05-410,187.90

Finding the Fourth Proportional to 690,815.10, 1,034,149.05 and 410,187.90

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Solution

The fourth proportional to 690,815.10, 1,034,149.05 and 410,187.90 is: 614,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,815.10 : 1,034,149.05 = 410,187.90 : x
  2. Step 2: Convert to fraction form
    690,815.10/1,034,149.05 = 410,187.90/x
  3. Step 3: Cross multiply
    690,815.10x = 1,034,149.05 × 410,187.90
  4. Step 4: Simplify right side
    690,815.10x = 424,195,427,106.50
  5. Step 5: Solve for x
    x = 424,195,427,106.50/690,815.10
  6. Step 6: Final answer
    x = 614,050.60

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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.