Home / 591,403.92-816,145.20-336,756.12

Finding the Fourth Proportional to 591,403.92, 816,145.20 and 336,756.12

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Solution

The fourth proportional to 591,403.92, 816,145.20 and 336,756.12 is: 464,727.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,403.92 : 816,145.20 = 336,756.12 : x
  2. Step 2: Convert to fraction form
    591,403.92/816,145.20 = 336,756.12/x
  3. Step 3: Cross multiply
    591,403.92x = 816,145.20 × 336,756.12
  4. Step 4: Simplify right side
    591,403.92x = 274,841,890,908.62
  5. Step 5: Solve for x
    x = 274,841,890,908.62/591,403.92
  6. Step 6: Final answer
    x = 464,727.88

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1.5x scale

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.