Home / 890,577.38-1,332,712.68-553,776.65

Finding the Fourth Proportional to 890,577.38, 1,332,712.68 and 553,776.65

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Solution

The fourth proportional to 890,577.38, 1,332,712.68 and 553,776.65 is: 828,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,577.38 : 1,332,712.68 = 553,776.65 : x
  2. Step 2: Convert to fraction form
    890,577.38/1,332,712.68 = 553,776.65/x
  3. Step 3: Cross multiply
    890,577.38x = 1,332,712.68 × 553,776.65
  4. Step 4: Simplify right side
    890,577.38x = 738,025,156,679.36
  5. Step 5: Solve for x
    x = 738,025,156,679.36/890,577.38
  6. Step 6: Final answer
    x = 828,704.14

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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.