Home / 870,462.40-1,305,693.60-588,452.80

Finding the Fourth Proportional to 870,462.40, 1,305,693.60 and 588,452.80

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Solution

The fourth proportional to 870,462.40, 1,305,693.60 and 588,452.80 is: 882,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,462.40 : 1,305,693.60 = 588,452.80 : x
  2. Step 2: Convert to fraction form
    870,462.40/1,305,693.60 = 588,452.80/x
  3. Step 3: Cross multiply
    870,462.40x = 1,305,693.60 × 588,452.80
  4. Step 4: Simplify right side
    870,462.40x = 768,339,054,862.08
  5. Step 5: Solve for x
    x = 768,339,054,862.08/870,462.40
  6. Step 6: Final answer
    x = 882,679.20

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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.