Home / 839,455.62-1,158,414.95-457,474.20

Finding the Fourth Proportional to 839,455.62, 1,158,414.95 and 457,474.20

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Solution

The fourth proportional to 839,455.62, 1,158,414.95 and 457,474.20 is: 631,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,455.62 : 1,158,414.95 = 457,474.20 : x
  2. Step 2: Convert to fraction form
    839,455.62/1,158,414.95 = 457,474.20/x
  3. Step 3: Cross multiply
    839,455.62x = 1,158,414.95 × 457,474.20
  4. Step 4: Simplify right side
    839,455.62x = 529,944,952,519.29
  5. Step 5: Solve for x
    x = 529,944,952,519.29/839,455.62
  6. Step 6: Final answer
    x = 631,295.97

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Double scale
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1.5x scale

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.