Home / 762,468.39-1,052,225.84-418,319.03

Finding the Fourth Proportional to 762,468.39, 1,052,225.84 and 418,319.03

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Solution

The fourth proportional to 762,468.39, 1,052,225.84 and 418,319.03 is: 577,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,468.39 : 1,052,225.84 = 418,319.03 : x
  2. Step 2: Convert to fraction form
    762,468.39/1,052,225.84 = 418,319.03/x
  3. Step 3: Cross multiply
    762,468.39x = 1,052,225.84 × 418,319.03
  4. Step 4: Simplify right side
    762,468.39x = 440,166,096,406.10
  5. Step 5: Solve for x
    x = 440,166,096,406.10/762,468.39
  6. Step 6: Final answer
    x = 577,290.94

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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.