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Finding the Fourth Proportional to 539,966, 745,153.08 and 301,502

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Solution

The fourth proportional to 539,966, 745,153.08 and 301,502 is: 416,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,966 : 745,153.08 = 301,502 : x
  2. Step 2: Convert to fraction form
    539,966/745,153.08 = 301,502/x
  3. Step 3: Cross multiply
    539,966x = 745,153.08 × 301,502
  4. Step 4: Simplify right side
    539,966x = 224,665,143,926.16
  5. Step 5: Solve for x
    x = 224,665,143,926.16/539,966
  6. Step 6: Final answer
    x = 416,072.76

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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.