Home / 880,639.88-1,320,543.45-341,148.83

Finding the Fourth Proportional to 880,639.88, 1,320,543.45 and 341,148.83

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Solution

The fourth proportional to 880,639.88, 1,320,543.45 and 341,148.83 is: 511,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,639.88 : 1,320,543.45 = 341,148.83 : x
  2. Step 2: Convert to fraction form
    880,639.88/1,320,543.45 = 341,148.83/x
  3. Step 3: Cross multiply
    880,639.88x = 1,320,543.45 × 341,148.83
  4. Step 4: Simplify right side
    880,639.88x = 450,501,846,328.95
  5. Step 5: Solve for x
    x = 450,501,846,328.95/880,639.88
  6. Step 6: Final answer
    x = 511,561.94

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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.