Home / 526,438.80-726,483.24-284,721.66

Finding the Fourth Proportional to 526,438.80, 726,483.24 and 284,721.66

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Solution

The fourth proportional to 526,438.80, 726,483.24 and 284,721.66 is: 392,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,438.80 : 726,483.24 = 284,721.66 : x
  2. Step 2: Convert to fraction form
    526,438.80/726,483.24 = 284,721.66/x
  3. Step 3: Cross multiply
    526,438.80x = 726,483.24 × 284,721.66
  4. Step 4: Simplify right side
    526,438.80x = 206,845,514,054.98
  5. Step 5: Solve for x
    x = 206,845,514,054.98/526,438.80
  6. Step 6: Final answer
    x = 392,914.64

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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.