Home / 979,933.32-1,352,416.32-572,135.40

Finding the Fourth Proportional to 979,933.32, 1,352,416.32 and 572,135.40

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Solution

The fourth proportional to 979,933.32, 1,352,416.32 and 572,135.40 is: 789,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,933.32 : 1,352,416.32 = 572,135.40 : x
  2. Step 2: Convert to fraction form
    979,933.32/1,352,416.32 = 572,135.40/x
  3. Step 3: Cross multiply
    979,933.32x = 1,352,416.32 × 572,135.40
  4. Step 4: Simplify right side
    979,933.32x = 773,765,252,209.73
  5. Step 5: Solve for x
    x = 773,765,252,209.73/979,933.32
  6. Step 6: Final answer
    x = 789,610.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.