Home / 993,443.80-1,489,323.30-361,989.40

Finding the Fourth Proportional to 993,443.80, 1,489,323.30 and 361,989.40

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Solution

The fourth proportional to 993,443.80, 1,489,323.30 and 361,989.40 is: 542,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,443.80 : 1,489,323.30 = 361,989.40 : x
  2. Step 2: Convert to fraction form
    993,443.80/1,489,323.30 = 361,989.40/x
  3. Step 3: Cross multiply
    993,443.80x = 1,489,323.30 × 361,989.40
  4. Step 4: Simplify right side
    993,443.80x = 539,119,247,773.02
  5. Step 5: Solve for x
    x = 539,119,247,773.02/993,443.80
  6. Step 6: Final answer
    x = 542,677.15

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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.