Home / 724,821.18-1,000,753.63-453,011.25

Finding the Fourth Proportional to 724,821.18, 1,000,753.63 and 453,011.25

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Solution

The fourth proportional to 724,821.18, 1,000,753.63 and 453,011.25 is: 625,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,821.18 : 1,000,753.63 = 453,011.25 : x
  2. Step 2: Convert to fraction form
    724,821.18/1,000,753.63 = 453,011.25/x
  3. Step 3: Cross multiply
    724,821.18x = 1,000,753.63 × 453,011.25
  4. Step 4: Simplify right side
    724,821.18x = 453,352,652,868.34
  5. Step 5: Solve for x
    x = 453,352,652,868.34/724,821.18
  6. Step 6: Final answer
    x = 625,468.27

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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.