Home / 1,038,216.30-1,557,032.85-328,461.90

Finding the Fourth Proportional to 1,038,216.30, 1,557,032.85 and 328,461.90

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Solution

The fourth proportional to 1,038,216.30, 1,557,032.85 and 328,461.90 is: 492,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,216.30 : 1,557,032.85 = 328,461.90 : x
  2. Step 2: Convert to fraction form
    1,038,216.30/1,557,032.85 = 328,461.90/x
  3. Step 3: Cross multiply
    1,038,216.30x = 1,557,032.85 × 328,461.90
  4. Step 4: Simplify right side
    1,038,216.30x = 511,425,968,273.42
  5. Step 5: Solve for x
    x = 511,425,968,273.42/1,038,216.30
  6. Step 6: Final answer
    x = 492,600.60

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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.