Home / 765,994.43-1,057,258.50-443,652.50

Finding the Fourth Proportional to 765,994.43, 1,057,258.50 and 443,652.50

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Solution

The fourth proportional to 765,994.43, 1,057,258.50 and 443,652.50 is: 612,348.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,994.43 : 1,057,258.50 = 443,652.50 : x
  2. Step 2: Convert to fraction form
    765,994.43/1,057,258.50 = 443,652.50/x
  3. Step 3: Cross multiply
    765,994.43x = 1,057,258.50 × 443,652.50
  4. Step 4: Simplify right side
    765,994.43x = 469,055,376,671.25
  5. Step 5: Solve for x
    x = 469,055,376,671.25/765,994.43
  6. Step 6: Final answer
    x = 612,348.29

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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.