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Finding the Fourth Proportional to 768,860.42, 1,060,847.82 and 446,376.33

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Solution

The fourth proportional to 768,860.42, 1,060,847.82 and 446,376.33 is: 615,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,860.42 : 1,060,847.82 = 446,376.33 : x
  2. Step 2: Convert to fraction form
    768,860.42/1,060,847.82 = 446,376.33/x
  3. Step 3: Cross multiply
    768,860.42x = 1,060,847.82 × 446,376.33
  4. Step 4: Simplify right side
    768,860.42x = 473,537,356,580.10
  5. Step 5: Solve for x
    x = 473,537,356,580.10/768,860.42
  6. Step 6: Final answer
    x = 615,895.09

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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.