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Finding the Fourth Proportional to 652,468.29, 900,221.22 and 380,548.05

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Solution

The fourth proportional to 652,468.29, 900,221.22 and 380,548.05 is: 525,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,468.29 : 900,221.22 = 380,548.05 : x
  2. Step 2: Convert to fraction form
    652,468.29/900,221.22 = 380,548.05/x
  3. Step 3: Cross multiply
    652,468.29x = 900,221.22 × 380,548.05
  4. Step 4: Simplify right side
    652,468.29x = 342,577,429,839.62
  5. Step 5: Solve for x
    x = 342,577,429,839.62/652,468.29
  6. Step 6: Final answer
    x = 525,048.40

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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.