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Finding the Fourth Proportional to 636,327.60, 878,091.48 and 364,395.12

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Solution

The fourth proportional to 636,327.60, 878,091.48 and 364,395.12 is: 502,842.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,327.60 : 878,091.48 = 364,395.12 : x
  2. Step 2: Convert to fraction form
    636,327.60/878,091.48 = 364,395.12/x
  3. Step 3: Cross multiply
    636,327.60x = 878,091.48 × 364,395.12
  4. Step 4: Simplify right side
    636,327.60x = 319,972,250,225.58
  5. Step 5: Solve for x
    x = 319,972,250,225.58/636,327.60
  6. Step 6: Final answer
    x = 502,842.01

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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.