Home / 870,974.61-1,306,648.58-302,373.78

Finding the Fourth Proportional to 870,974.61, 1,306,648.58 and 302,373.78

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Solution

The fourth proportional to 870,974.61, 1,306,648.58 and 302,373.78 is: 453,625.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,974.61 : 1,306,648.58 = 302,373.78 : x
  2. Step 2: Convert to fraction form
    870,974.61/1,306,648.58 = 302,373.78/x
  3. Step 3: Cross multiply
    870,974.61x = 1,306,648.58 × 302,373.78
  4. Step 4: Simplify right side
    870,974.61x = 395,096,268,754.36
  5. Step 5: Solve for x
    x = 395,096,268,754.36/870,974.61
  6. Step 6: Final answer
    x = 453,625.47

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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.