Home / 880,721.78-1,320,666.53-341,230.80

Finding the Fourth Proportional to 880,721.78, 1,320,666.53 and 341,230.80

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Solution

The fourth proportional to 880,721.78, 1,320,666.53 and 341,230.80 is: 511,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,721.78 : 1,320,666.53 = 341,230.80 : x
  2. Step 2: Convert to fraction form
    880,721.78/1,320,666.53 = 341,230.80/x
  3. Step 3: Cross multiply
    880,721.78x = 1,320,666.53 × 341,230.80
  4. Step 4: Simplify right side
    880,721.78x = 450,652,095,712.05
  5. Step 5: Solve for x
    x = 450,652,095,712.05/880,721.78
  6. Step 6: Final answer
    x = 511,684.97

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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.