Home / 875,249.18-1,313,013.87-369,815.06

Finding the Fourth Proportional to 875,249.18, 1,313,013.87 and 369,815.06

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Solution

The fourth proportional to 875,249.18, 1,313,013.87 and 369,815.06 is: 554,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,249.18 : 1,313,013.87 = 369,815.06 : x
  2. Step 2: Convert to fraction form
    875,249.18/1,313,013.87 = 369,815.06/x
  3. Step 3: Cross multiply
    875,249.18x = 1,313,013.87 × 369,815.06
  4. Step 4: Simplify right side
    875,249.18x = 485,572,296,549.81
  5. Step 5: Solve for x
    x = 485,572,296,549.81/875,249.18
  6. Step 6: Final answer
    x = 554,781.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.