Home / 959,392.33-1,439,068.53-319,742.41

Finding the Fourth Proportional to 959,392.33, 1,439,068.53 and 319,742.41

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Solution

The fourth proportional to 959,392.33, 1,439,068.53 and 319,742.41 is: 479,606.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,392.33 : 1,439,068.53 = 319,742.41 : x
  2. Step 2: Convert to fraction form
    959,392.33/1,439,068.53 = 319,742.41/x
  3. Step 3: Cross multiply
    959,392.33x = 1,439,068.53 × 319,742.41
  4. Step 4: Simplify right side
    959,392.33x = 460,131,239,937.36
  5. Step 5: Solve for x
    x = 460,131,239,937.36/959,392.33
  6. Step 6: Final answer
    x = 479,606.96

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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.