Home / 757,457.52-1,046,069.28-628,861.92

Finding the Fourth Proportional to 757,457.52, 1,046,069.28 and 628,861.92

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Solution

The fourth proportional to 757,457.52, 1,046,069.28 and 628,861.92 is: 868,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,457.52 : 1,046,069.28 = 628,861.92 : x
  2. Step 2: Convert to fraction form
    757,457.52/1,046,069.28 = 628,861.92/x
  3. Step 3: Cross multiply
    757,457.52x = 1,046,069.28 × 628,861.92
  4. Step 4: Simplify right side
    757,457.52x = 657,833,135,873.82
  5. Step 5: Solve for x
    x = 657,833,135,873.82/757,457.52
  6. Step 6: Final answer
    x = 868,475.29

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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.