Home / 984,304.48-1,476,340.08-319,456.48

Finding the Fourth Proportional to 984,304.48, 1,476,340.08 and 319,456.48

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Solution

The fourth proportional to 984,304.48, 1,476,340.08 and 319,456.48 is: 479,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,304.48 : 1,476,340.08 = 319,456.48 : x
  2. Step 2: Convert to fraction form
    984,304.48/1,476,340.08 = 319,456.48/x
  3. Step 3: Cross multiply
    984,304.48x = 1,476,340.08 × 319,456.48
  4. Step 4: Simplify right side
    984,304.48x = 471,626,405,239.72
  5. Step 5: Solve for x
    x = 471,626,405,239.72/984,304.48
  6. Step 6: Final answer
    x = 479,146.86

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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.