Home / 1,038,349.72-1,557,514.19-328,377.88

Finding the Fourth Proportional to 1,038,349.72, 1,557,514.19 and 328,377.88

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Solution

The fourth proportional to 1,038,349.72, 1,557,514.19 and 328,377.88 is: 492,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,349.72 : 1,557,514.19 = 328,377.88 : x
  2. Step 2: Convert to fraction form
    1,038,349.72/1,557,514.19 = 328,377.88/x
  3. Step 3: Cross multiply
    1,038,349.72x = 1,557,514.19 × 328,377.88
  4. Step 4: Simplify right side
    1,038,349.72x = 511,453,199,994.55
  5. Step 5: Solve for x
    x = 511,453,199,994.55/1,038,349.72
  6. Step 6: Final answer
    x = 492,563.53

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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.