Home / 712,600.62-982,815.57-551,890.14

Finding the Fourth Proportional to 712,600.62, 982,815.57 and 551,890.14

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Solution

The fourth proportional to 712,600.62, 982,815.57 and 551,890.14 is: 761,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,600.62 : 982,815.57 = 551,890.14 : x
  2. Step 2: Convert to fraction form
    712,600.62/982,815.57 = 551,890.14/x
  3. Step 3: Cross multiply
    712,600.62x = 982,815.57 × 551,890.14
  4. Step 4: Simplify right side
    712,600.62x = 542,406,222,521.48
  5. Step 5: Solve for x
    x = 542,406,222,521.48/712,600.62
  6. Step 6: Final answer
    x = 761,164.40

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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.