Home / 704,799.57-972,630.68-382,512.45

Finding the Fourth Proportional to 704,799.57, 972,630.68 and 382,512.45

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Solution

The fourth proportional to 704,799.57, 972,630.68 and 382,512.45 is: 527,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,799.57 : 972,630.68 = 382,512.45 : x
  2. Step 2: Convert to fraction form
    704,799.57/972,630.68 = 382,512.45/x
  3. Step 3: Cross multiply
    704,799.57x = 972,630.68 × 382,512.45
  4. Step 4: Simplify right side
    704,799.57x = 372,043,342,439.40
  5. Step 5: Solve for x
    x = 372,043,342,439.40/704,799.57
  6. Step 6: Final answer
    x = 527,871.13

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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.