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Finding the Fourth Proportional to 704,889, 972,747.80 and 382,599.17

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Solution

The fourth proportional to 704,889, 972,747.80 and 382,599.17 is: 527,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,889 : 972,747.80 = 382,599.17 : x
  2. Step 2: Convert to fraction form
    704,889/972,747.80 = 382,599.17/x
  3. Step 3: Cross multiply
    704,889x = 972,747.80 × 382,599.17
  4. Step 4: Simplify right side
    704,889x = 372,172,494,122.59
  5. Step 5: Solve for x
    x = 372,172,494,122.59/704,889
  6. Step 6: Final answer
    x = 527,987.38

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1.5x scale

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.