Home / 464,760.20-697,140.30-287,467.40

Finding the Fourth Proportional to 464,760.20, 697,140.30 and 287,467.40

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Solution

The fourth proportional to 464,760.20, 697,140.30 and 287,467.40 is: 431,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,760.20 : 697,140.30 = 287,467.40 : x
  2. Step 2: Convert to fraction form
    464,760.20/697,140.30 = 287,467.40/x
  3. Step 3: Cross multiply
    464,760.20x = 697,140.30 × 287,467.40
  4. Step 4: Simplify right side
    464,760.20x = 200,405,109,476.22
  5. Step 5: Solve for x
    x = 200,405,109,476.22/464,760.20
  6. Step 6: Final answer
    x = 431,201.10

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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.