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Finding the Fourth Proportional to 592,180.50, 817,228.80 and 323,908.50

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Solution

The fourth proportional to 592,180.50, 817,228.80 and 323,908.50 is: 447,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,180.50 : 817,228.80 = 323,908.50 : x
  2. Step 2: Convert to fraction form
    592,180.50/817,228.80 = 323,908.50/x
  3. Step 3: Cross multiply
    592,180.50x = 817,228.80 × 323,908.50
  4. Step 4: Simplify right side
    592,180.50x = 264,707,354,764.80
  5. Step 5: Solve for x
    x = 264,707,354,764.80/592,180.50
  6. Step 6: Final answer
    x = 447,004.51

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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.