Home / 998,017.20-1,377,262.56-539,131.68

Finding the Fourth Proportional to 998,017.20, 1,377,262.56 and 539,131.68

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Solution

The fourth proportional to 998,017.20, 1,377,262.56 and 539,131.68 is: 744,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,017.20 : 1,377,262.56 = 539,131.68 : x
  2. Step 2: Convert to fraction form
    998,017.20/1,377,262.56 = 539,131.68/x
  3. Step 3: Cross multiply
    998,017.20x = 1,377,262.56 × 539,131.68
  4. Step 4: Simplify right side
    998,017.20x = 742,525,877,773.90
  5. Step 5: Solve for x
    x = 742,525,877,773.90/998,017.20
  6. Step 6: Final answer
    x = 744,001.08

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1.5x scale

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.