Home / 753,009.18-1,039,150.53-451,203.18

Finding the Fourth Proportional to 753,009.18, 1,039,150.53 and 451,203.18

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Solution

The fourth proportional to 753,009.18, 1,039,150.53 and 451,203.18 is: 622,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,009.18 : 1,039,150.53 = 451,203.18 : x
  2. Step 2: Convert to fraction form
    753,009.18/1,039,150.53 = 451,203.18/x
  3. Step 3: Cross multiply
    753,009.18x = 1,039,150.53 × 451,203.18
  4. Step 4: Simplify right side
    753,009.18x = 468,868,023,634.69
  5. Step 5: Solve for x
    x = 468,868,023,634.69/753,009.18
  6. Step 6: Final answer
    x = 622,659.11

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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.