Home / 752,465.67-1,128,695.40-272,581.10

Finding the Fourth Proportional to 752,465.67, 1,128,695.40 and 272,581.10

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Solution

The fourth proportional to 752,465.67, 1,128,695.40 and 272,581.10 is: 408,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,465.67 : 1,128,695.40 = 272,581.10 : x
  2. Step 2: Convert to fraction form
    752,465.67/1,128,695.40 = 272,581.10/x
  3. Step 3: Cross multiply
    752,465.67x = 1,128,695.40 × 272,581.10
  4. Step 4: Simplify right side
    752,465.67x = 307,661,036,664.45
  5. Step 5: Solve for x
    x = 307,661,036,664.45/752,465.67
  6. Step 6: Final answer
    x = 408,870.53

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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.