Home / 400,529.38-553,330.86-263,034.52

Finding the Fourth Proportional to 400,529.38, 553,330.86 and 263,034.52

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Solution

The fourth proportional to 400,529.38, 553,330.86 and 263,034.52 is: 363,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,529.38 : 553,330.86 = 263,034.52 : x
  2. Step 2: Convert to fraction form
    400,529.38/553,330.86 = 263,034.52/x
  3. Step 3: Cross multiply
    400,529.38x = 553,330.86 × 263,034.52
  4. Step 4: Simplify right side
    400,529.38x = 145,545,117,161.29
  5. Step 5: Solve for x
    x = 145,545,117,161.29/400,529.38
  6. Step 6: Final answer
    x = 363,381.88

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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.