Home / 744,424.80-1,116,637.20-628,951.20

Finding the Fourth Proportional to 744,424.80, 1,116,637.20 and 628,951.20

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Solution

The fourth proportional to 744,424.80, 1,116,637.20 and 628,951.20 is: 943,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,424.80 : 1,116,637.20 = 628,951.20 : x
  2. Step 2: Convert to fraction form
    744,424.80/1,116,637.20 = 628,951.20/x
  3. Step 3: Cross multiply
    744,424.80x = 1,116,637.20 × 628,951.20
  4. Step 4: Simplify right side
    744,424.80x = 702,310,306,904.64
  5. Step 5: Solve for x
    x = 702,310,306,904.64/744,424.80
  6. Step 6: Final answer
    x = 943,426.80

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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.