Home / 883,165.52-1,218,927.92-520,568.48

Finding the Fourth Proportional to 883,165.52, 1,218,927.92 and 520,568.48

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Solution

The fourth proportional to 883,165.52, 1,218,927.92 and 520,568.48 is: 718,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,165.52 : 1,218,927.92 = 520,568.48 : x
  2. Step 2: Convert to fraction form
    883,165.52/1,218,927.92 = 520,568.48/x
  3. Step 3: Cross multiply
    883,165.52x = 1,218,927.92 × 520,568.48
  4. Step 4: Simplify right side
    883,165.52x = 634,535,454,543.96
  5. Step 5: Solve for x
    x = 634,535,454,543.96/883,165.52
  6. Step 6: Final answer
    x = 718,478.52

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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.