Home / 778,522.85-1,074,158.92-456,059.95

Finding the Fourth Proportional to 778,522.85, 1,074,158.92 and 456,059.95

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Solution

The fourth proportional to 778,522.85, 1,074,158.92 and 456,059.95 is: 629,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,522.85 : 1,074,158.92 = 456,059.95 : x
  2. Step 2: Convert to fraction form
    778,522.85/1,074,158.92 = 456,059.95/x
  3. Step 3: Cross multiply
    778,522.85x = 1,074,158.92 × 456,059.95
  4. Step 4: Simplify right side
    778,522.85x = 489,880,861,066.95
  5. Step 5: Solve for x
    x = 489,880,861,066.95/778,522.85
  6. Step 6: Final answer
    x = 629,244.04

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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.