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Finding the Fourth Proportional to 636,244.92, 878,019.84 and 364,316.94

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Solution

The fourth proportional to 636,244.92, 878,019.84 and 364,316.94 is: 502,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,244.92 : 878,019.84 = 364,316.94 : x
  2. Step 2: Convert to fraction form
    636,244.92/878,019.84 = 364,316.94/x
  3. Step 3: Cross multiply
    636,244.92x = 878,019.84 × 364,316.94
  4. Step 4: Simplify right side
    636,244.92x = 319,877,501,368.09
  5. Step 5: Solve for x
    x = 319,877,501,368.09/636,244.92
  6. Step 6: Final answer
    x = 502,758.44

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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.