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Finding the Fourth Proportional to 510,891.93, 765,549.50 and 323,509.77

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Solution

The fourth proportional to 510,891.93, 765,549.50 and 323,509.77 is: 484,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,891.93 : 765,549.50 = 323,509.77 : x
  2. Step 2: Convert to fraction form
    510,891.93/765,549.50 = 323,509.77/x
  3. Step 3: Cross multiply
    510,891.93x = 765,549.50 × 323,509.77
  4. Step 4: Simplify right side
    510,891.93x = 247,662,741,051.07
  5. Step 5: Solve for x
    x = 247,662,741,051.07/510,891.93
  6. Step 6: Final answer
    x = 484,765.42

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1.5x scale

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.