Home / 749,326.25-1,034,068-405,159.73

Finding the Fourth Proportional to 749,326.25, 1,034,068 and 405,159.73

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Solution

The fourth proportional to 749,326.25, 1,034,068 and 405,159.73 is: 559,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,326.25 : 1,034,068 = 405,159.73 : x
  2. Step 2: Convert to fraction form
    749,326.25/1,034,068 = 405,159.73/x
  3. Step 3: Cross multiply
    749,326.25x = 1,034,068 × 405,159.73
  4. Step 4: Simplify right side
    749,326.25x = 418,962,711,681.64
  5. Step 5: Solve for x
    x = 418,962,711,681.64/749,326.25
  6. Step 6: Final answer
    x = 559,119.22

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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.