Home / 906,356.91-1,358,602.25-485,519.79

Finding the Fourth Proportional to 906,356.91, 1,358,602.25 and 485,519.79

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Solution

The fourth proportional to 906,356.91, 1,358,602.25 and 485,519.79 is: 727,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,356.91 : 1,358,602.25 = 485,519.79 : x
  2. Step 2: Convert to fraction form
    906,356.91/1,358,602.25 = 485,519.79/x
  3. Step 3: Cross multiply
    906,356.91x = 1,358,602.25 × 485,519.79
  4. Step 4: Simplify right side
    906,356.91x = 659,628,276,685.93
  5. Step 5: Solve for x
    x = 659,628,276,685.93/906,356.91
  6. Step 6: Final answer
    x = 727,779.83

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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.