Home / 1,038,233.30-1,557,058.35-328,478.90

Finding the Fourth Proportional to 1,038,233.30, 1,557,058.35 and 328,478.90

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Solution

The fourth proportional to 1,038,233.30, 1,557,058.35 and 328,478.90 is: 492,626.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,233.30 : 1,557,058.35 = 328,478.90 : x
  2. Step 2: Convert to fraction form
    1,038,233.30/1,557,058.35 = 328,478.90/x
  3. Step 3: Cross multiply
    1,038,233.30x = 1,557,058.35 × 328,478.90
  4. Step 4: Simplify right side
    1,038,233.30x = 511,460,814,043.82
  5. Step 5: Solve for x
    x = 511,460,814,043.82/1,038,233.30
  6. Step 6: Final answer
    x = 492,626.09

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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.