Home / 959,381.30-1,439,052.18-319,731.48

Finding the Fourth Proportional to 959,381.30, 1,439,052.18 and 319,731.48

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Solution

The fourth proportional to 959,381.30, 1,439,052.18 and 319,731.48 is: 479,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,381.30 : 1,439,052.18 = 319,731.48 : x
  2. Step 2: Convert to fraction form
    959,381.30/1,439,052.18 = 319,731.48/x
  3. Step 3: Cross multiply
    959,381.30x = 1,439,052.18 × 319,731.48
  4. Step 4: Simplify right side
    959,381.30x = 460,110,283,308.63
  5. Step 5: Solve for x
    x = 460,110,283,308.63/959,381.30
  6. Step 6: Final answer
    x = 479,590.63

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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.