Home / 982,481.60-1,473,722.40-509,009.60

Finding the Fourth Proportional to 982,481.60, 1,473,722.40 and 509,009.60

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Solution

The fourth proportional to 982,481.60, 1,473,722.40 and 509,009.60 is: 763,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,481.60 : 1,473,722.40 = 509,009.60 : x
  2. Step 2: Convert to fraction form
    982,481.60/1,473,722.40 = 509,009.60/x
  3. Step 3: Cross multiply
    982,481.60x = 1,473,722.40 × 509,009.60
  4. Step 4: Simplify right side
    982,481.60x = 750,138,849,335.04
  5. Step 5: Solve for x
    x = 750,138,849,335.04/982,481.60
  6. Step 6: Final answer
    x = 763,514.40

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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.