Home / 724,961.40-1,087,587.90-607,446.60

Finding the Fourth Proportional to 724,961.40, 1,087,587.90 and 607,446.60

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Solution

The fourth proportional to 724,961.40, 1,087,587.90 and 607,446.60 is: 911,292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,961.40 : 1,087,587.90 = 607,446.60 : x
  2. Step 2: Convert to fraction form
    724,961.40/1,087,587.90 = 607,446.60/x
  3. Step 3: Cross multiply
    724,961.40x = 1,087,587.90 × 607,446.60
  4. Step 4: Simplify right side
    724,961.40x = 660,651,572,056.14
  5. Step 5: Solve for x
    x = 660,651,572,056.14/724,961.40
  6. Step 6: Final answer
    x = 911,292.07

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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.