Home / 545,150.28-752,226.61-327,312.93

Finding the Fourth Proportional to 545,150.28, 752,226.61 and 327,312.93

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Solution

The fourth proportional to 545,150.28, 752,226.61 and 327,312.93 is: 451,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,150.28 : 752,226.61 = 327,312.93 : x
  2. Step 2: Convert to fraction form
    545,150.28/752,226.61 = 327,312.93/x
  3. Step 3: Cross multiply
    545,150.28x = 752,226.61 × 327,312.93
  4. Step 4: Simplify right side
    545,150.28x = 246,213,495,743.07
  5. Step 5: Solve for x
    x = 246,213,495,743.07/545,150.28
  6. Step 6: Final answer
    x = 451,643.34

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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.