Home / 862,046.94-1,189,539.60-480,109.26

Finding the Fourth Proportional to 862,046.94, 1,189,539.60 and 480,109.26

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Solution

The fourth proportional to 862,046.94, 1,189,539.60 and 480,109.26 is: 662,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,046.94 : 1,189,539.60 = 480,109.26 : x
  2. Step 2: Convert to fraction form
    862,046.94/1,189,539.60 = 480,109.26/x
  3. Step 3: Cross multiply
    862,046.94x = 1,189,539.60 × 480,109.26
  4. Step 4: Simplify right side
    862,046.94x = 571,108,977,096.70
  5. Step 5: Solve for x
    x = 571,108,977,096.70/862,046.94
  6. Step 6: Final answer
    x = 662,503.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.