Home / 1,029,904.80-1,544,857.20-319,927.20

Finding the Fourth Proportional to 1,029,904.80, 1,544,857.20 and 319,927.20

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Solution

The fourth proportional to 1,029,904.80, 1,544,857.20 and 319,927.20 is: 479,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,904.80 : 1,544,857.20 = 319,927.20 : x
  2. Step 2: Convert to fraction form
    1,029,904.80/1,544,857.20 = 319,927.20/x
  3. Step 3: Cross multiply
    1,029,904.80x = 1,544,857.20 × 319,927.20
  4. Step 4: Simplify right side
    1,029,904.80x = 494,241,838,395.84
  5. Step 5: Solve for x
    x = 494,241,838,395.84/1,029,904.80
  6. Step 6: Final answer
    x = 479,890.80

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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.