Home / 772,001.90-1,159,039.65-492,757.10

Finding the Fourth Proportional to 772,001.90, 1,159,039.65 and 492,757.10

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Solution

The fourth proportional to 772,001.90, 1,159,039.65 and 492,757.10 is: 739,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,001.90 : 1,159,039.65 = 492,757.10 : x
  2. Step 2: Convert to fraction form
    772,001.90/1,159,039.65 = 492,757.10/x
  3. Step 3: Cross multiply
    772,001.90x = 1,159,039.65 × 492,757.10
  4. Step 4: Simplify right side
    772,001.90x = 571,125,016,719.02
  5. Step 5: Solve for x
    x = 571,125,016,719.02/772,001.90
  6. Step 6: Final answer
    x = 739,797.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.