Home / 1,038,223.30-1,557,043.35-328,468.90

Finding the Fourth Proportional to 1,038,223.30, 1,557,043.35 and 328,468.90

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Solution

The fourth proportional to 1,038,223.30, 1,557,043.35 and 328,468.90 is: 492,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,223.30 : 1,557,043.35 = 328,468.90 : x
  2. Step 2: Convert to fraction form
    1,038,223.30/1,557,043.35 = 328,468.90/x
  3. Step 3: Cross multiply
    1,038,223.30x = 1,557,043.35 × 328,468.90
  4. Step 4: Simplify right side
    1,038,223.30x = 511,440,316,426.82
  5. Step 5: Solve for x
    x = 511,440,316,426.82/1,038,223.30
  6. Step 6: Final answer
    x = 492,611.09

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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.