Home / 959,379.07-1,439,048.84-319,729.26

Finding the Fourth Proportional to 959,379.07, 1,439,048.84 and 319,729.26

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Solution

The fourth proportional to 959,379.07, 1,439,048.84 and 319,729.26 is: 479,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,379.07 : 1,439,048.84 = 319,729.26 : x
  2. Step 2: Convert to fraction form
    959,379.07/1,439,048.84 = 319,729.26/x
  3. Step 3: Cross multiply
    959,379.07x = 1,439,048.84 × 319,729.26
  4. Step 4: Simplify right side
    959,379.07x = 460,106,011,923.17
  5. Step 5: Solve for x
    x = 460,106,011,923.17/959,379.07
  6. Step 6: Final answer
    x = 479,587.30

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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.