Home / 448,947.12-619,543.98-247,743.12

Finding the Fourth Proportional to 448,947.12, 619,543.98 and 247,743.12

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Solution

The fourth proportional to 448,947.12, 619,543.98 and 247,743.12 is: 341,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,947.12 : 619,543.98 = 247,743.12 : x
  2. Step 2: Convert to fraction form
    448,947.12/619,543.98 = 247,743.12/x
  3. Step 3: Cross multiply
    448,947.12x = 619,543.98 × 247,743.12
  4. Step 4: Simplify right side
    448,947.12x = 153,487,758,582.42
  5. Step 5: Solve for x
    x = 153,487,758,582.42/448,947.12
  6. Step 6: Final answer
    x = 341,883.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.