Home / 413,715.06-619,347.87-255,434.58

Finding the Fourth Proportional to 413,715.06, 619,347.87 and 255,434.58

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Solution

The fourth proportional to 413,715.06, 619,347.87 and 255,434.58 is: 382,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,715.06 : 619,347.87 = 255,434.58 : x
  2. Step 2: Convert to fraction form
    413,715.06/619,347.87 = 255,434.58/x
  3. Step 3: Cross multiply
    413,715.06x = 619,347.87 × 255,434.58
  4. Step 4: Simplify right side
    413,715.06x = 158,202,863,047.35
  5. Step 5: Solve for x
    x = 158,202,863,047.35/413,715.06
  6. Step 6: Final answer
    x = 382,395.71

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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.