Home / 786,966.30-1,181,637.45-628,724.70

Finding the Fourth Proportional to 786,966.30, 1,181,637.45 and 628,724.70

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Solution

The fourth proportional to 786,966.30, 1,181,637.45 and 628,724.70 is: 944,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,966.30 : 1,181,637.45 = 628,724.70 : x
  2. Step 2: Convert to fraction form
    786,966.30/1,181,637.45 = 628,724.70/x
  3. Step 3: Cross multiply
    786,966.30x = 1,181,637.45 × 628,724.70
  4. Step 4: Simplify right side
    786,966.30x = 742,924,651,260.02
  5. Step 5: Solve for x
    x = 742,924,651,260.02/786,966.30
  6. Step 6: Final answer
    x = 944,036.17

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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.