Home / 880,496.56-1,320,946.56-319,531.12

Finding the Fourth Proportional to 880,496.56, 1,320,946.56 and 319,531.12

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Solution

The fourth proportional to 880,496.56, 1,320,946.56 and 319,531.12 is: 479,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,496.56 : 1,320,946.56 = 319,531.12 : x
  2. Step 2: Convert to fraction form
    880,496.56/1,320,946.56 = 319,531.12/x
  3. Step 3: Cross multiply
    880,496.56x = 1,320,946.56 × 319,531.12
  4. Step 4: Simplify right side
    880,496.56x = 422,083,533,776.95
  5. Step 5: Solve for x
    x = 422,083,533,776.95/880,496.56
  6. Step 6: Final answer
    x = 479,369.88

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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.