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Finding the Fourth Proportional to 490,274.84, 676,608.18 and 369,202.52

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Solution

The fourth proportional to 490,274.84, 676,608.18 and 369,202.52 is: 509,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,274.84 : 676,608.18 = 369,202.52 : x
  2. Step 2: Convert to fraction form
    490,274.84/676,608.18 = 369,202.52/x
  3. Step 3: Cross multiply
    490,274.84x = 676,608.18 × 369,202.52
  4. Step 4: Simplify right side
    490,274.84x = 249,805,445,108.61
  5. Step 5: Solve for x
    x = 249,805,445,108.61/490,274.84
  6. Step 6: Final answer
    x = 509,521.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.