Home / 1,029,908.30-1,544,862.45-319,930.70

Finding the Fourth Proportional to 1,029,908.30, 1,544,862.45 and 319,930.70

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Solution

The fourth proportional to 1,029,908.30, 1,544,862.45 and 319,930.70 is: 479,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,908.30 : 1,544,862.45 = 319,930.70 : x
  2. Step 2: Convert to fraction form
    1,029,908.30/1,544,862.45 = 319,930.70/x
  3. Step 3: Cross multiply
    1,029,908.30x = 1,544,862.45 × 319,930.70
  4. Step 4: Simplify right side
    1,029,908.30x = 494,248,925,032.22
  5. Step 5: Solve for x
    x = 494,248,925,032.22/1,029,908.30
  6. Step 6: Final answer
    x = 479,896.05

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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.