Home / 554,623.52-765,380.30-299,974.64

Finding the Fourth Proportional to 554,623.52, 765,380.30 and 299,974.64

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Solution

The fourth proportional to 554,623.52, 765,380.30 and 299,974.64 is: 413,964.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,623.52 : 765,380.30 = 299,974.64 : x
  2. Step 2: Convert to fraction form
    554,623.52/765,380.30 = 299,974.64/x
  3. Step 3: Cross multiply
    554,623.52x = 765,380.30 × 299,974.64
  4. Step 4: Simplify right side
    554,623.52x = 229,594,679,955.59
  5. Step 5: Solve for x
    x = 229,594,679,955.59/554,623.52
  6. Step 6: Final answer
    x = 413,964.92

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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.