Home / 724,912.40-1,087,514.40-607,397.60

Finding the Fourth Proportional to 724,912.40, 1,087,514.40 and 607,397.60

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Solution

The fourth proportional to 724,912.40, 1,087,514.40 and 607,397.60 is: 911,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,912.40 : 1,087,514.40 = 607,397.60 : x
  2. Step 2: Convert to fraction form
    724,912.40/1,087,514.40 = 607,397.60/x
  3. Step 3: Cross multiply
    724,912.40x = 1,087,514.40 × 607,397.60
  4. Step 4: Simplify right side
    724,912.40x = 660,553,636,525.44
  5. Step 5: Solve for x
    x = 660,553,636,525.44/724,912.40
  6. Step 6: Final answer
    x = 911,218.56

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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.