Home / 678,552.95-1,016,279.07-323,816.09

Finding the Fourth Proportional to 678,552.95, 1,016,279.07 and 323,816.09

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Solution

The fourth proportional to 678,552.95, 1,016,279.07 and 323,816.09 is: 484,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,552.95 : 1,016,279.07 = 323,816.09 : x
  2. Step 2: Convert to fraction form
    678,552.95/1,016,279.07 = 323,816.09/x
  3. Step 3: Cross multiply
    678,552.95x = 1,016,279.07 × 323,816.09
  4. Step 4: Simplify right side
    678,552.95x = 329,087,509,714.84
  5. Step 5: Solve for x
    x = 329,087,509,714.84/678,552.95
  6. Step 6: Final answer
    x = 484,984.28

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1.5x scale

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.