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Finding the Fourth Proportional to 539,967, 745,154.46 and 301,503

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Solution

The fourth proportional to 539,967, 745,154.46 and 301,503 is: 416,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,967 : 745,154.46 = 301,503 : x
  2. Step 2: Convert to fraction form
    539,967/745,154.46 = 301,503/x
  3. Step 3: Cross multiply
    539,967x = 745,154.46 × 301,503
  4. Step 4: Simplify right side
    539,967x = 224,666,305,153.38
  5. Step 5: Solve for x
    x = 224,666,305,153.38/539,967
  6. Step 6: Final answer
    x = 416,074.14

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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.