Home / 982,909.61-1,356,268.96-553,164.11

Finding the Fourth Proportional to 982,909.61, 1,356,268.96 and 553,164.11

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Solution

The fourth proportional to 982,909.61, 1,356,268.96 and 553,164.11 is: 763,284.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,909.61 : 1,356,268.96 = 553,164.11 : x
  2. Step 2: Convert to fraction form
    982,909.61/1,356,268.96 = 553,164.11/x
  3. Step 3: Cross multiply
    982,909.61x = 1,356,268.96 × 553,164.11
  4. Step 4: Simplify right side
    982,909.61x = 750,239,312,179.03
  5. Step 5: Solve for x
    x = 750,239,312,179.03/982,909.61
  6. Step 6: Final answer
    x = 763,284.14

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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.