Home / 947,833.50-1,421,750.25-316,747.30

Finding the Fourth Proportional to 947,833.50, 1,421,750.25 and 316,747.30

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Solution

The fourth proportional to 947,833.50, 1,421,750.25 and 316,747.30 is: 475,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,833.50 : 1,421,750.25 = 316,747.30 : x
  2. Step 2: Convert to fraction form
    947,833.50/1,421,750.25 = 316,747.30/x
  3. Step 3: Cross multiply
    947,833.50x = 1,421,750.25 × 316,747.30
  4. Step 4: Simplify right side
    947,833.50x = 450,335,552,961.83
  5. Step 5: Solve for x
    x = 450,335,552,961.83/947,833.50
  6. Step 6: Final answer
    x = 475,120.95

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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.