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Finding the Fourth Proportional to 652,351.12, 900,289.49 and 365,889.66

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Solution

The fourth proportional to 652,351.12, 900,289.49 and 365,889.66 is: 504,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,351.12 : 900,289.49 = 365,889.66 : x
  2. Step 2: Convert to fraction form
    652,351.12/900,289.49 = 365,889.66/x
  3. Step 3: Cross multiply
    652,351.12x = 900,289.49 × 365,889.66
  4. Step 4: Simplify right side
    652,351.12x = 329,406,610,192.14
  5. Step 5: Solve for x
    x = 329,406,610,192.14/652,351.12
  6. Step 6: Final answer
    x = 504,952.93

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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.