Home / 862,367.64-1,190,104.14-480,394.68

Finding the Fourth Proportional to 862,367.64, 1,190,104.14 and 480,394.68

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Solution

The fourth proportional to 862,367.64, 1,190,104.14 and 480,394.68 is: 662,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,367.64 : 1,190,104.14 = 480,394.68 : x
  2. Step 2: Convert to fraction form
    862,367.64/1,190,104.14 = 480,394.68/x
  3. Step 3: Cross multiply
    862,367.64x = 1,190,104.14 × 480,394.68
  4. Step 4: Simplify right side
    862,367.64x = 571,719,697,501.98
  5. Step 5: Solve for x
    x = 571,719,697,501.98/862,367.64
  6. Step 6: Final answer
    x = 662,965.16

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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.