Home / 636,673.22-878,733.90-364,923.32

Finding the Fourth Proportional to 636,673.22, 878,733.90 and 364,923.32

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Solution

The fourth proportional to 636,673.22, 878,733.90 and 364,923.32 is: 503,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,673.22 : 878,733.90 = 364,923.32 : x
  2. Step 2: Convert to fraction form
    636,673.22/878,733.90 = 364,923.32/x
  3. Step 3: Cross multiply
    636,673.22x = 878,733.90 × 364,923.32
  4. Step 4: Simplify right side
    636,673.22x = 320,670,492,184.55
  5. Step 5: Solve for x
    x = 320,670,492,184.55/636,673.22
  6. Step 6: Final answer
    x = 503,665.75

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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.