Home / 753,400.23-1,039,965.26-498,833.43

Finding the Fourth Proportional to 753,400.23, 1,039,965.26 and 498,833.43

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Solution

The fourth proportional to 753,400.23, 1,039,965.26 and 498,833.43 is: 688,570.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,400.23 : 1,039,965.26 = 498,833.43 : x
  2. Step 2: Convert to fraction form
    753,400.23/1,039,965.26 = 498,833.43/x
  3. Step 3: Cross multiply
    753,400.23x = 1,039,965.26 × 498,833.43
  4. Step 4: Simplify right side
    753,400.23x = 518,769,435,232.48
  5. Step 5: Solve for x
    x = 518,769,435,232.48/753,400.23
  6. Step 6: Final answer
    x = 688,570.85

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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.