Home / 839,876.40-1,259,068.58-327,423.42

Finding the Fourth Proportional to 839,876.40, 1,259,068.58 and 327,423.42

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Solution

The fourth proportional to 839,876.40, 1,259,068.58 and 327,423.42 is: 490,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,876.40 : 1,259,068.58 = 327,423.42 : x
  2. Step 2: Convert to fraction form
    839,876.40/1,259,068.58 = 327,423.42/x
  3. Step 3: Cross multiply
    839,876.40x = 1,259,068.58 × 327,423.42
  4. Step 4: Simplify right side
    839,876.40x = 412,248,535,001.36
  5. Step 5: Solve for x
    x = 412,248,535,001.36/839,876.40
  6. Step 6: Final answer
    x = 490,844.29

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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.