Home / 877,177.27-1,210,375.78-489,944.98

Finding the Fourth Proportional to 877,177.27, 1,210,375.78 and 489,944.98

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Solution

The fourth proportional to 877,177.27, 1,210,375.78 and 489,944.98 is: 676,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,177.27 : 1,210,375.78 = 489,944.98 : x
  2. Step 2: Convert to fraction form
    877,177.27/1,210,375.78 = 489,944.98/x
  3. Step 3: Cross multiply
    877,177.27x = 1,210,375.78 × 489,944.98
  4. Step 4: Simplify right side
    877,177.27x = 593,017,537,324.58
  5. Step 5: Solve for x
    x = 593,017,537,324.58/877,177.27
  6. Step 6: Final answer
    x = 676,052.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.