Home / 420,694.02-580,555.45-229,706.04

Finding the Fourth Proportional to 420,694.02, 580,555.45 and 229,706.04

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Solution

The fourth proportional to 420,694.02, 580,555.45 and 229,706.04 is: 316,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,694.02 : 580,555.45 = 229,706.04 : x
  2. Step 2: Convert to fraction form
    420,694.02/580,555.45 = 229,706.04/x
  3. Step 3: Cross multiply
    420,694.02x = 580,555.45 × 229,706.04
  4. Step 4: Simplify right side
    420,694.02x = 133,357,095,884.13
  5. Step 5: Solve for x
    x = 133,357,095,884.13/420,694.02
  6. Step 6: Final answer
    x = 316,993.09

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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.