Home / 862,293.38-1,190,001.64-480,320.33

Finding the Fourth Proportional to 862,293.38, 1,190,001.64 and 480,320.33

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Solution

The fourth proportional to 862,293.38, 1,190,001.64 and 480,320.33 is: 662,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,293.38 : 1,190,001.64 = 480,320.33 : x
  2. Step 2: Convert to fraction form
    862,293.38/1,190,001.64 = 480,320.33/x
  3. Step 3: Cross multiply
    862,293.38x = 1,190,001.64 × 480,320.33
  4. Step 4: Simplify right side
    862,293.38x = 571,581,978,637.64
  5. Step 5: Solve for x
    x = 571,581,978,637.64/862,293.38
  6. Step 6: Final answer
    x = 662,862.54

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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.