Home / 1,038,228.30-1,557,050.85-328,473.90

Finding the Fourth Proportional to 1,038,228.30, 1,557,050.85 and 328,473.90

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Solution

The fourth proportional to 1,038,228.30, 1,557,050.85 and 328,473.90 is: 492,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,228.30 : 1,557,050.85 = 328,473.90 : x
  2. Step 2: Convert to fraction form
    1,038,228.30/1,557,050.85 = 328,473.90/x
  3. Step 3: Cross multiply
    1,038,228.30x = 1,557,050.85 × 328,473.90
  4. Step 4: Simplify right side
    1,038,228.30x = 511,450,565,197.82
  5. Step 5: Solve for x
    x = 511,450,565,197.82/1,038,228.30
  6. Step 6: Final answer
    x = 492,618.59

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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.