Home / 880,497.56-1,320,948.06-319,532.12

Finding the Fourth Proportional to 880,497.56, 1,320,948.06 and 319,532.12

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Solution

The fourth proportional to 880,497.56, 1,320,948.06 and 319,532.12 is: 479,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,497.56 : 1,320,948.06 = 319,532.12 : x
  2. Step 2: Convert to fraction form
    880,497.56/1,320,948.06 = 319,532.12/x
  3. Step 3: Cross multiply
    880,497.56x = 1,320,948.06 × 319,532.12
  4. Step 4: Simplify right side
    880,497.56x = 422,085,334,021.69
  5. Step 5: Solve for x
    x = 422,085,334,021.69/880,497.56
  6. Step 6: Final answer
    x = 479,371.38

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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.