Home / 880,638.73-1,320,541.75-341,147.71

Finding the Fourth Proportional to 880,638.73, 1,320,541.75 and 341,147.71

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Solution

The fourth proportional to 880,638.73, 1,320,541.75 and 341,147.71 is: 511,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,638.73 : 1,320,541.75 = 341,147.71 : x
  2. Step 2: Convert to fraction form
    880,638.73/1,320,541.75 = 341,147.71/x
  3. Step 3: Cross multiply
    880,638.73x = 1,320,541.75 × 341,147.71
  4. Step 4: Simplify right side
    880,638.73x = 450,499,793,971.89
  5. Step 5: Solve for x
    x = 450,499,793,971.89/880,638.73
  6. Step 6: Final answer
    x = 511,560.28

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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.