Home / 712,823.20-1,069,236.18-173,077.21

Finding the Fourth Proportional to 712,823.20, 1,069,236.18 and 173,077.21

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Solution

The fourth proportional to 712,823.20, 1,069,236.18 and 173,077.21 is: 259,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,823.20 : 1,069,236.18 = 173,077.21 : x
  2. Step 2: Convert to fraction form
    712,823.20/1,069,236.18 = 173,077.21/x
  3. Step 3: Cross multiply
    712,823.20x = 1,069,236.18 × 173,077.21
  4. Step 4: Simplify right side
    712,823.20x = 185,060,410,187.55
  5. Step 5: Solve for x
    x = 185,060,410,187.55/712,823.20
  6. Step 6: Final answer
    x = 259,616.14

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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.