Home / 870,997.12-1,304,214.72-570,532.48

Finding the Fourth Proportional to 870,997.12, 1,304,214.72 and 570,532.48

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Solution

The fourth proportional to 870,997.12, 1,304,214.72 and 570,532.48 is: 854,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,997.12 : 1,304,214.72 = 570,532.48 : x
  2. Step 2: Convert to fraction form
    870,997.12/1,304,214.72 = 570,532.48/x
  3. Step 3: Cross multiply
    870,997.12x = 1,304,214.72 × 570,532.48
  4. Step 4: Simplify right side
    870,997.12x = 744,096,858,654.11
  5. Step 5: Solve for x
    x = 744,096,858,654.11/870,997.12
  6. Step 6: Final answer
    x = 854,304.61

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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.