Home / 724,352.60-1,086,528.90-325,006.40

Finding the Fourth Proportional to 724,352.60, 1,086,528.90 and 325,006.40

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Solution

The fourth proportional to 724,352.60, 1,086,528.90 and 325,006.40 is: 487,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,352.60 : 1,086,528.90 = 325,006.40 : x
  2. Step 2: Convert to fraction form
    724,352.60/1,086,528.90 = 325,006.40/x
  3. Step 3: Cross multiply
    724,352.60x = 1,086,528.90 × 325,006.40
  4. Step 4: Simplify right side
    724,352.60x = 353,128,846,284.96
  5. Step 5: Solve for x
    x = 353,128,846,284.96/724,352.60
  6. Step 6: Final answer
    x = 487,509.60

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Similar ratio
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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.