Home / 724,962.40-1,087,589.40-607,447.60

Finding the Fourth Proportional to 724,962.40, 1,087,589.40 and 607,447.60

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Solution

The fourth proportional to 724,962.40, 1,087,589.40 and 607,447.60 is: 911,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,962.40 : 1,087,589.40 = 607,447.60 : x
  2. Step 2: Convert to fraction form
    724,962.40/1,087,589.40 = 607,447.60/x
  3. Step 3: Cross multiply
    724,962.40x = 1,087,589.40 × 607,447.60
  4. Step 4: Simplify right side
    724,962.40x = 660,653,570,815.44
  5. Step 5: Solve for x
    x = 660,653,570,815.44/724,962.40
  6. Step 6: Final answer
    x = 911,293.57

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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.