Home / 905,074.76-1,357,591.14-455,674.97

Finding the Fourth Proportional to 905,074.76, 1,357,591.14 and 455,674.97

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Solution

The fourth proportional to 905,074.76, 1,357,591.14 and 455,674.97 is: 683,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,074.76 : 1,357,591.14 = 455,674.97 : x
  2. Step 2: Convert to fraction form
    905,074.76/1,357,591.14 = 455,674.97/x
  3. Step 3: Cross multiply
    905,074.76x = 1,357,591.14 × 455,674.97
  4. Step 4: Simplify right side
    905,074.76x = 618,620,305,385.74
  5. Step 5: Solve for x
    x = 618,620,305,385.74/905,074.76
  6. Step 6: Final answer
    x = 683,501.88

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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.