Home / 565,629.17-780,819.86-336,260.71

Finding the Fourth Proportional to 565,629.17, 780,819.86 and 336,260.71

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Solution

The fourth proportional to 565,629.17, 780,819.86 and 336,260.71 is: 464,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,629.17 : 780,819.86 = 336,260.71 : x
  2. Step 2: Convert to fraction form
    565,629.17/780,819.86 = 336,260.71/x
  3. Step 3: Cross multiply
    565,629.17x = 780,819.86 × 336,260.71
  4. Step 4: Simplify right side
    565,629.17x = 262,559,034,920.30
  5. Step 5: Solve for x
    x = 262,559,034,920.30/565,629.17
  6. Step 6: Final answer
    x = 464,189.35

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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.