Home / 805,122.60-1,206,647.10-383,490.60

Finding the Fourth Proportional to 805,122.60, 1,206,647.10 and 383,490.60

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Solution

The fourth proportional to 805,122.60, 1,206,647.10 and 383,490.60 is: 574,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,122.60 : 1,206,647.10 = 383,490.60 : x
  2. Step 2: Convert to fraction form
    805,122.60/1,206,647.10 = 383,490.60/x
  3. Step 3: Cross multiply
    805,122.60x = 1,206,647.10 × 383,490.60
  4. Step 4: Simplify right side
    805,122.60x = 462,737,820,367.26
  5. Step 5: Solve for x
    x = 462,737,820,367.26/805,122.60
  6. Step 6: Final answer
    x = 574,742.06

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1.5x scale

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.