Home / 905,560.80-1,358,341.20-654,602.55

Finding the Fourth Proportional to 905,560.80, 1,358,341.20 and 654,602.55

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Solution

The fourth proportional to 905,560.80, 1,358,341.20 and 654,602.55 is: 981,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,560.80 : 1,358,341.20 = 654,602.55 : x
  2. Step 2: Convert to fraction form
    905,560.80/1,358,341.20 = 654,602.55/x
  3. Step 3: Cross multiply
    905,560.80x = 1,358,341.20 × 654,602.55
  4. Step 4: Simplify right side
    905,560.80x = 889,173,613,290.06
  5. Step 5: Solve for x
    x = 889,173,613,290.06/905,560.80
  6. Step 6: Final answer
    x = 981,903.83

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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.