Home / 575,579.12-794,377.32-330,659.60

Finding the Fourth Proportional to 575,579.12, 794,377.32 and 330,659.60

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Solution

The fourth proportional to 575,579.12, 794,377.32 and 330,659.60 is: 456,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,579.12 : 794,377.32 = 330,659.60 : x
  2. Step 2: Convert to fraction form
    575,579.12/794,377.32 = 330,659.60/x
  3. Step 3: Cross multiply
    575,579.12x = 794,377.32 × 330,659.60
  4. Step 4: Simplify right side
    575,579.12x = 262,668,486,880.27
  5. Step 5: Solve for x
    x = 262,668,486,880.27/575,579.12
  6. Step 6: Final answer
    x = 456,355.13

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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.