Home / 948,200.10-1,422,008.55-274,344.90

Finding the Fourth Proportional to 948,200.10, 1,422,008.55 and 274,344.90

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Solution

The fourth proportional to 948,200.10, 1,422,008.55 and 274,344.90 is: 411,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,200.10 : 1,422,008.55 = 274,344.90 : x
  2. Step 2: Convert to fraction form
    948,200.10/1,422,008.55 = 274,344.90/x
  3. Step 3: Cross multiply
    948,200.10x = 1,422,008.55 × 274,344.90
  4. Step 4: Simplify right side
    948,200.10x = 390,120,793,448.90
  5. Step 5: Solve for x
    x = 390,120,793,448.90/948,200.10
  6. Step 6: Final answer
    x = 411,432.98

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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.