Home / 917,869.38-1,376,493.57-349,115.46

Finding the Fourth Proportional to 917,869.38, 1,376,493.57 and 349,115.46

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Solution

The fourth proportional to 917,869.38, 1,376,493.57 and 349,115.46 is: 523,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,869.38 : 1,376,493.57 = 349,115.46 : x
  2. Step 2: Convert to fraction form
    917,869.38/1,376,493.57 = 349,115.46/x
  3. Step 3: Cross multiply
    917,869.38x = 1,376,493.57 × 349,115.46
  4. Step 4: Simplify right side
    917,869.38x = 480,555,185,877.59
  5. Step 5: Solve for x
    x = 480,555,185,877.59/917,869.38
  6. Step 6: Final answer
    x = 523,555.09

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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.