Home / 997,103.64-1,496,032.33-390,325.55

Finding the Fourth Proportional to 997,103.64, 1,496,032.33 and 390,325.55

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Solution

The fourth proportional to 997,103.64, 1,496,032.33 and 390,325.55 is: 585,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,103.64 : 1,496,032.33 = 390,325.55 : x
  2. Step 2: Convert to fraction form
    997,103.64/1,496,032.33 = 390,325.55/x
  3. Step 3: Cross multiply
    997,103.64x = 1,496,032.33 × 390,325.55
  4. Step 4: Simplify right side
    997,103.64x = 583,939,644,789.30
  5. Step 5: Solve for x
    x = 583,939,644,789.30/997,103.64
  6. Step 6: Final answer
    x = 585,635.86

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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.