Home / 806,489.03-1,209,732.08-238,269.29

Finding the Fourth Proportional to 806,489.03, 1,209,732.08 and 238,269.29

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Solution

The fourth proportional to 806,489.03, 1,209,732.08 and 238,269.29 is: 357,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,489.03 : 1,209,732.08 = 238,269.29 : x
  2. Step 2: Convert to fraction form
    806,489.03/1,209,732.08 = 238,269.29/x
  3. Step 3: Cross multiply
    806,489.03x = 1,209,732.08 × 238,269.29
  4. Step 4: Simplify right side
    806,489.03x = 288,241,996,551.82
  5. Step 5: Solve for x
    x = 288,241,996,551.82/806,489.03
  6. Step 6: Final answer
    x = 357,403.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.