Home / 779,464.80-1,168,322.40-330,109.20

Finding the Fourth Proportional to 779,464.80, 1,168,322.40 and 330,109.20

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Solution

The fourth proportional to 779,464.80, 1,168,322.40 and 330,109.20 is: 494,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,464.80 : 1,168,322.40 = 330,109.20 : x
  2. Step 2: Convert to fraction form
    779,464.80/1,168,322.40 = 330,109.20/x
  3. Step 3: Cross multiply
    779,464.80x = 1,168,322.40 × 330,109.20
  4. Step 4: Simplify right side
    779,464.80x = 385,673,972,806.08
  5. Step 5: Solve for x
    x = 385,673,972,806.08/779,464.80
  6. Step 6: Final answer
    x = 494,793.32

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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.