Home / 762,941.87-1,052,852.96-418,767.60

Finding the Fourth Proportional to 762,941.87, 1,052,852.96 and 418,767.60

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Solution

The fourth proportional to 762,941.87, 1,052,852.96 and 418,767.60 is: 577,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,941.87 : 1,052,852.96 = 418,767.60 : x
  2. Step 2: Convert to fraction form
    762,941.87/1,052,852.96 = 418,767.60/x
  3. Step 3: Cross multiply
    762,941.87x = 1,052,852.96 × 418,767.60
  4. Step 4: Simplify right side
    762,941.87x = 440,900,705,118.26
  5. Step 5: Solve for x
    x = 440,900,705,118.26/762,941.87
  6. Step 6: Final answer
    x = 577,895.55

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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.