Home / 839,669.76-1,158,721.20-457,704

Finding the Fourth Proportional to 839,669.76, 1,158,721.20 and 457,704

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Solution

The fourth proportional to 839,669.76, 1,158,721.20 and 457,704 is: 631,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,669.76 : 1,158,721.20 = 457,704 : x
  2. Step 2: Convert to fraction form
    839,669.76/1,158,721.20 = 457,704/x
  3. Step 3: Cross multiply
    839,669.76x = 1,158,721.20 × 457,704
  4. Step 4: Simplify right side
    839,669.76x = 530,351,328,124.80
  5. Step 5: Solve for x
    x = 530,351,328,124.80/839,669.76
  6. Step 6: Final answer
    x = 631,618.95

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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.