Home / 862,609.74-1,190,421.27-480,659.82

Finding the Fourth Proportional to 862,609.74, 1,190,421.27 and 480,659.82

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Solution

The fourth proportional to 862,609.74, 1,190,421.27 and 480,659.82 is: 663,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,609.74 : 1,190,421.27 = 480,659.82 : x
  2. Step 2: Convert to fraction form
    862,609.74/1,190,421.27 = 480,659.82/x
  3. Step 3: Cross multiply
    862,609.74x = 1,190,421.27 × 480,659.82
  4. Step 4: Simplify right side
    862,609.74x = 572,187,673,362.37
  5. Step 5: Solve for x
    x = 572,187,673,362.37/862,609.74
  6. Step 6: Final answer
    x = 663,321.60

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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.