Home / 430,911.40-646,367.10-244,287.40

Finding the Fourth Proportional to 430,911.40, 646,367.10 and 244,287.40

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Solution

The fourth proportional to 430,911.40, 646,367.10 and 244,287.40 is: 366,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,911.40 : 646,367.10 = 244,287.40 : x
  2. Step 2: Convert to fraction form
    430,911.40/646,367.10 = 244,287.40/x
  3. Step 3: Cross multiply
    430,911.40x = 646,367.10 × 244,287.40
  4. Step 4: Simplify right side
    430,911.40x = 157,899,338,304.54
  5. Step 5: Solve for x
    x = 157,899,338,304.54/430,911.40
  6. Step 6: Final answer
    x = 366,431.10

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Similar ratio
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1.5x scale

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.