Home / 838,703.30-1,257,876.34-239,505.39

Finding the Fourth Proportional to 838,703.30, 1,257,876.34 and 239,505.39

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Solution

The fourth proportional to 838,703.30, 1,257,876.34 and 239,505.39 is: 359,207.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,703.30 : 1,257,876.34 = 239,505.39 : x
  2. Step 2: Convert to fraction form
    838,703.30/1,257,876.34 = 239,505.39/x
  3. Step 3: Cross multiply
    838,703.30x = 1,257,876.34 × 239,505.39
  4. Step 4: Simplify right side
    838,703.30x = 301,268,162,784.71
  5. Step 5: Solve for x
    x = 301,268,162,784.71/838,703.30
  6. Step 6: Final answer
    x = 359,207.08

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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.