Home / 870,999.12-1,304,217.72-570,534.48

Finding the Fourth Proportional to 870,999.12, 1,304,217.72 and 570,534.48

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Solution

The fourth proportional to 870,999.12, 1,304,217.72 and 570,534.48 is: 854,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,999.12 : 1,304,217.72 = 570,534.48 : x
  2. Step 2: Convert to fraction form
    870,999.12/1,304,217.72 = 570,534.48/x
  3. Step 3: Cross multiply
    870,999.12x = 1,304,217.72 × 570,534.48
  4. Step 4: Simplify right side
    870,999.12x = 744,101,178,686.99
  5. Step 5: Solve for x
    x = 744,101,178,686.99/870,999.12
  6. Step 6: Final answer
    x = 854,307.61

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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.