Home / 875,046.40-1,207,589.12-493,052.16

Finding the Fourth Proportional to 875,046.40, 1,207,589.12 and 493,052.16

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Solution

The fourth proportional to 875,046.40, 1,207,589.12 and 493,052.16 is: 680,426.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,046.40 : 1,207,589.12 = 493,052.16 : x
  2. Step 2: Convert to fraction form
    875,046.40/1,207,589.12 = 493,052.16/x
  3. Step 3: Cross multiply
    875,046.40x = 1,207,589.12 × 493,052.16
  4. Step 4: Simplify right side
    875,046.40x = 595,404,424,008.50
  5. Step 5: Solve for x
    x = 595,404,424,008.50/875,046.40
  6. Step 6: Final answer
    x = 680,426.12

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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.