Home / 870,938.80-1,306,408.28-271,951.28

Finding the Fourth Proportional to 870,938.80, 1,306,408.28 and 271,951.28

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Solution

The fourth proportional to 870,938.80, 1,306,408.28 and 271,951.28 is: 407,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,938.80 : 1,306,408.28 = 271,951.28 : x
  2. Step 2: Convert to fraction form
    870,938.80/1,306,408.28 = 271,951.28/x
  3. Step 3: Cross multiply
    870,938.80x = 1,306,408.28 × 271,951.28
  4. Step 4: Simplify right side
    870,938.80x = 355,279,403,948.60
  5. Step 5: Solve for x
    x = 355,279,403,948.60/870,938.80
  6. Step 6: Final answer
    x = 407,926.94

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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.