Home / 864,711.38-1,297,854.18-460,243.16

Finding the Fourth Proportional to 864,711.38, 1,297,854.18 and 460,243.16

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Solution

The fourth proportional to 864,711.38, 1,297,854.18 and 460,243.16 is: 690,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,711.38 : 1,297,854.18 = 460,243.16 : x
  2. Step 2: Convert to fraction form
    864,711.38/1,297,854.18 = 460,243.16/x
  3. Step 3: Cross multiply
    864,711.38x = 1,297,854.18 × 460,243.16
  4. Step 4: Simplify right side
    864,711.38x = 597,328,507,400.09
  5. Step 5: Solve for x
    x = 597,328,507,400.09/864,711.38
  6. Step 6: Final answer
    x = 690,783.68

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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.