Home / 537,815.40-806,723.10-348,858.60

Finding the Fourth Proportional to 537,815.40, 806,723.10 and 348,858.60

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Solution

The fourth proportional to 537,815.40, 806,723.10 and 348,858.60 is: 523,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,815.40 : 806,723.10 = 348,858.60 : x
  2. Step 2: Convert to fraction form
    537,815.40/806,723.10 = 348,858.60/x
  3. Step 3: Cross multiply
    537,815.40x = 806,723.10 × 348,858.60
  4. Step 4: Simplify right side
    537,815.40x = 281,432,291,253.66
  5. Step 5: Solve for x
    x = 281,432,291,253.66/537,815.40
  6. Step 6: Final answer
    x = 523,287.90

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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.