Home / 762,692.93-1,052,513.30-418,534.64

Finding the Fourth Proportional to 762,692.93, 1,052,513.30 and 418,534.64

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Solution

The fourth proportional to 762,692.93, 1,052,513.30 and 418,534.64 is: 577,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,692.93 : 1,052,513.30 = 418,534.64 : x
  2. Step 2: Convert to fraction form
    762,692.93/1,052,513.30 = 418,534.64/x
  3. Step 3: Cross multiply
    762,692.93x = 1,052,513.30 × 418,534.64
  4. Step 4: Simplify right side
    762,692.93x = 440,513,270,894.48
  5. Step 5: Solve for x
    x = 440,513,270,894.48/762,692.93
  6. Step 6: Final answer
    x = 577,576.19

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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.