Home / 880,721.47-1,320,666.06-341,230.49

Finding the Fourth Proportional to 880,721.47, 1,320,666.06 and 341,230.49

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Solution

The fourth proportional to 880,721.47, 1,320,666.06 and 341,230.49 is: 511,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,721.47 : 1,320,666.06 = 341,230.49 : x
  2. Step 2: Convert to fraction form
    880,721.47/1,320,666.06 = 341,230.49/x
  3. Step 3: Cross multiply
    880,721.47x = 1,320,666.06 × 341,230.49
  4. Step 4: Simplify right side
    880,721.47x = 450,651,526,780.17
  5. Step 5: Solve for x
    x = 450,651,526,780.17/880,721.47
  6. Step 6: Final answer
    x = 511,684.50

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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.