Home / 877,175.66-1,210,373.58-489,943.37

Finding the Fourth Proportional to 877,175.66, 1,210,373.58 and 489,943.37

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Solution

The fourth proportional to 877,175.66, 1,210,373.58 and 489,943.37 is: 676,049.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,175.66 : 1,210,373.58 = 489,943.37 : x
  2. Step 2: Convert to fraction form
    877,175.66/1,210,373.58 = 489,943.37/x
  3. Step 3: Cross multiply
    877,175.66x = 1,210,373.58 × 489,943.37
  4. Step 4: Simplify right side
    877,175.66x = 593,014,504,692.30
  5. Step 5: Solve for x
    x = 593,014,504,692.30/877,175.66
  6. Step 6: Final answer
    x = 676,049.89

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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.