Home / 970,092.88-1,338,246.72-648,234.64

Finding the Fourth Proportional to 970,092.88, 1,338,246.72 and 648,234.64

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Solution

The fourth proportional to 970,092.88, 1,338,246.72 and 648,234.64 is: 894,242.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,092.88 : 1,338,246.72 = 648,234.64 : x
  2. Step 2: Convert to fraction form
    970,092.88/1,338,246.72 = 648,234.64/x
  3. Step 3: Cross multiply
    970,092.88x = 1,338,246.72 × 648,234.64
  4. Step 4: Simplify right side
    970,092.88x = 867,497,880,770.38
  5. Step 5: Solve for x
    x = 867,497,880,770.38/970,092.88
  6. Step 6: Final answer
    x = 894,242.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.