Home / 974,745.20-1,462,117.80-343,449.20

Finding the Fourth Proportional to 974,745.20, 1,462,117.80 and 343,449.20

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Solution

The fourth proportional to 974,745.20, 1,462,117.80 and 343,449.20 is: 515,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,745.20 : 1,462,117.80 = 343,449.20 : x
  2. Step 2: Convert to fraction form
    974,745.20/1,462,117.80 = 343,449.20/x
  3. Step 3: Cross multiply
    974,745.20x = 1,462,117.80 × 343,449.20
  4. Step 4: Simplify right side
    974,745.20x = 502,163,188,715.76
  5. Step 5: Solve for x
    x = 502,163,188,715.76/974,745.20
  6. Step 6: Final answer
    x = 515,173.80

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Double scale
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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.