Home / 762,576.18-1,052,374.49-418,412.02

Finding the Fourth Proportional to 762,576.18, 1,052,374.49 and 418,412.02

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Solution

The fourth proportional to 762,576.18, 1,052,374.49 and 418,412.02 is: 577,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,576.18 : 1,052,374.49 = 418,412.02 : x
  2. Step 2: Convert to fraction form
    762,576.18/1,052,374.49 = 418,412.02/x
  3. Step 3: Cross multiply
    762,576.18x = 1,052,374.49 × 418,412.02
  4. Step 4: Simplify right side
    762,576.18x = 440,326,131,941.53
  5. Step 5: Solve for x
    x = 440,326,131,941.53/762,576.18
  6. Step 6: Final answer
    x = 577,419.21

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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.