Home / 870,197.74-1,200,854.23-482,990.54

Finding the Fourth Proportional to 870,197.74, 1,200,854.23 and 482,990.54

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Solution

The fourth proportional to 870,197.74, 1,200,854.23 and 482,990.54 is: 666,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,197.74 : 1,200,854.23 = 482,990.54 : x
  2. Step 2: Convert to fraction form
    870,197.74/1,200,854.23 = 482,990.54/x
  3. Step 3: Cross multiply
    870,197.74x = 1,200,854.23 × 482,990.54
  4. Step 4: Simplify right side
    870,197.74x = 580,001,225,797.24
  5. Step 5: Solve for x
    x = 580,001,225,797.24/870,197.74
  6. Step 6: Final answer
    x = 666,516.59

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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.