Home / 627,045.89-940,328.07-266,988.47

Finding the Fourth Proportional to 627,045.89, 940,328.07 and 266,988.47

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Solution

The fourth proportional to 627,045.89, 940,328.07 and 266,988.47 is: 400,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,045.89 : 940,328.07 = 266,988.47 : x
  2. Step 2: Convert to fraction form
    627,045.89/940,328.07 = 266,988.47/x
  3. Step 3: Cross multiply
    627,045.89x = 940,328.07 × 266,988.47
  4. Step 4: Simplify right side
    627,045.89x = 251,056,748,005.71
  5. Step 5: Solve for x
    x = 251,056,748,005.71/627,045.89
  6. Step 6: Final answer
    x = 400,380.19

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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.