Home / 745,340.40-1,026,610.20-572,928.24

Finding the Fourth Proportional to 745,340.40, 1,026,610.20 and 572,928.24

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Solution

The fourth proportional to 745,340.40, 1,026,610.20 and 572,928.24 is: 789,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,340.40 : 1,026,610.20 = 572,928.24 : x
  2. Step 2: Convert to fraction form
    745,340.40/1,026,610.20 = 572,928.24/x
  3. Step 3: Cross multiply
    745,340.40x = 1,026,610.20 × 572,928.24
  4. Step 4: Simplify right side
    745,340.40x = 588,173,975,052.05
  5. Step 5: Solve for x
    x = 588,173,975,052.05/745,340.40
  6. Step 6: Final answer
    x = 789,134.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.