Home / 451,317.50-676,145.86-282,806.42

Finding the Fourth Proportional to 451,317.50, 676,145.86 and 282,806.42

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Solution

The fourth proportional to 451,317.50, 676,145.86 and 282,806.42 is: 423,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,317.50 : 676,145.86 = 282,806.42 : x
  2. Step 2: Convert to fraction form
    451,317.50/676,145.86 = 282,806.42/x
  3. Step 3: Cross multiply
    451,317.50x = 676,145.86 × 282,806.42
  4. Step 4: Simplify right side
    451,317.50x = 191,218,385,976.68
  5. Step 5: Solve for x
    x = 191,218,385,976.68/451,317.50
  6. Step 6: Final answer
    x = 423,689.28

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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.