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Finding the Fourth Proportional to 636,675, 878,736.32 and 364,925.07

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Solution

The fourth proportional to 636,675, 878,736.32 and 364,925.07 is: 503,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,675 : 878,736.32 = 364,925.07 : x
  2. Step 2: Convert to fraction form
    636,675/878,736.32 = 364,925.07/x
  3. Step 3: Cross multiply
    636,675x = 878,736.32 × 364,925.07
  4. Step 4: Simplify right side
    636,675x = 320,672,911,262.92
  5. Step 5: Solve for x
    x = 320,672,911,262.92/636,675
  6. Step 6: Final answer
    x = 503,668.14

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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.