Home / 627,260.42-940,748.78-290,116.08

Finding the Fourth Proportional to 627,260.42, 940,748.78 and 290,116.08

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Solution

The fourth proportional to 627,260.42, 940,748.78 and 290,116.08 is: 435,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,260.42 : 940,748.78 = 290,116.08 : x
  2. Step 2: Convert to fraction form
    627,260.42/940,748.78 = 290,116.08/x
  3. Step 3: Cross multiply
    627,260.42x = 940,748.78 × 290,116.08
  4. Step 4: Simplify right side
    627,260.42x = 272,926,349,043.67
  5. Step 5: Solve for x
    x = 272,926,349,043.67/627,260.42
  6. Step 6: Final answer
    x = 435,108.51

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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.