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Finding the Fourth Proportional to 497,751.40, 746,627.10 and 340,287.40

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Solution

The fourth proportional to 497,751.40, 746,627.10 and 340,287.40 is: 510,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,751.40 : 746,627.10 = 340,287.40 : x
  2. Step 2: Convert to fraction form
    497,751.40/746,627.10 = 340,287.40/x
  3. Step 3: Cross multiply
    497,751.40x = 746,627.10 × 340,287.40
  4. Step 4: Simplify right side
    497,751.40x = 254,067,794,628.54
  5. Step 5: Solve for x
    x = 254,067,794,628.54/497,751.40
  6. Step 6: Final answer
    x = 510,431.10

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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.