Home / 877,211.55-1,315,817.33-814,225.95

Finding the Fourth Proportional to 877,211.55, 1,315,817.33 and 814,225.95

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Solution

The fourth proportional to 877,211.55, 1,315,817.33 and 814,225.95 is: 1,221,338.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,211.55 : 1,315,817.33 = 814,225.95 : x
  2. Step 2: Convert to fraction form
    877,211.55/1,315,817.33 = 814,225.95/x
  3. Step 3: Cross multiply
    877,211.55x = 1,315,817.33 × 814,225.95
  4. Step 4: Simplify right side
    877,211.55x = 1,071,372,611,474.58
  5. Step 5: Solve for x
    x = 1,071,372,611,474.58/877,211.55
  6. Step 6: Final answer
    x = 1,221,338.93

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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.