Home / 508,726.08-763,030.26-268,743.78

Finding the Fourth Proportional to 508,726.08, 763,030.26 and 268,743.78

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Solution

The fourth proportional to 508,726.08, 763,030.26 and 268,743.78 is: 403,084.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,726.08 : 763,030.26 = 268,743.78 : x
  2. Step 2: Convert to fraction form
    508,726.08/763,030.26 = 268,743.78/x
  3. Step 3: Cross multiply
    508,726.08x = 763,030.26 × 268,743.78
  4. Step 4: Simplify right side
    508,726.08x = 205,059,636,326.78
  5. Step 5: Solve for x
    x = 205,059,636,326.78/508,726.08
  6. Step 6: Final answer
    x = 403,084.58

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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.