Home / 451,235.60-676,853.40-311,152.40

Finding the Fourth Proportional to 451,235.60, 676,853.40 and 311,152.40

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Solution

The fourth proportional to 451,235.60, 676,853.40 and 311,152.40 is: 466,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,235.60 : 676,853.40 = 311,152.40 : x
  2. Step 2: Convert to fraction form
    451,235.60/676,853.40 = 311,152.40/x
  3. Step 3: Cross multiply
    451,235.60x = 676,853.40 × 311,152.40
  4. Step 4: Simplify right side
    451,235.60x = 210,604,559,858.16
  5. Step 5: Solve for x
    x = 210,604,559,858.16/451,235.60
  6. Step 6: Final answer
    x = 466,728.60

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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.