Home / 982,470.75-1,473,705.85-272,498.87

Finding the Fourth Proportional to 982,470.75, 1,473,705.85 and 272,498.87

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Solution

The fourth proportional to 982,470.75, 1,473,705.85 and 272,498.87 is: 408,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,470.75 : 1,473,705.85 = 272,498.87 : x
  2. Step 2: Convert to fraction form
    982,470.75/1,473,705.85 = 272,498.87/x
  3. Step 3: Cross multiply
    982,470.75x = 1,473,705.85 × 272,498.87
  4. Step 4: Simplify right side
    982,470.75x = 401,583,178,837.39
  5. Step 5: Solve for x
    x = 401,583,178,837.39/982,470.75
  6. Step 6: Final answer
    x = 408,748.23

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1.5x scale

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.