Home / 526,122.06-725,870.79-299,607.18

Finding the Fourth Proportional to 526,122.06, 725,870.79 and 299,607.18

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Solution

The fourth proportional to 526,122.06, 725,870.79 and 299,607.18 is: 413,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,122.06 : 725,870.79 = 299,607.18 : x
  2. Step 2: Convert to fraction form
    526,122.06/725,870.79 = 299,607.18/x
  3. Step 3: Cross multiply
    526,122.06x = 725,870.79 × 299,607.18
  4. Step 4: Simplify right side
    526,122.06x = 217,476,100,436.27
  5. Step 5: Solve for x
    x = 217,476,100,436.27/526,122.06
  6. Step 6: Final answer
    x = 413,356.74

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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.