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Finding the Fourth Proportional to 688,438.34, 950,041.80 and 382,564.52

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Solution

The fourth proportional to 688,438.34, 950,041.80 and 382,564.52 is: 527,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,438.34 : 950,041.80 = 382,564.52 : x
  2. Step 2: Convert to fraction form
    688,438.34/950,041.80 = 382,564.52/x
  3. Step 3: Cross multiply
    688,438.34x = 950,041.80 × 382,564.52
  4. Step 4: Simplify right side
    688,438.34x = 363,452,285,196.94
  5. Step 5: Solve for x
    x = 363,452,285,196.94/688,438.34
  6. Step 6: Final answer
    x = 527,937.31

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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.