Home / 917,267.76-1,376,139.24-348,658.56

Finding the Fourth Proportional to 917,267.76, 1,376,139.24 and 348,658.56

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Solution

The fourth proportional to 917,267.76, 1,376,139.24 and 348,658.56 is: 523,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,267.76 : 1,376,139.24 = 348,658.56 : x
  2. Step 2: Convert to fraction form
    917,267.76/1,376,139.24 = 348,658.56/x
  3. Step 3: Cross multiply
    917,267.76x = 1,376,139.24 × 348,658.56
  4. Step 4: Simplify right side
    917,267.76x = 479,802,725,777.89
  5. Step 5: Solve for x
    x = 479,802,725,777.89/917,267.76
  6. Step 6: Final answer
    x = 523,078.15

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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.