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Finding the Fourth Proportional to 454,737.58, 627,582.22 and 339,816.66

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Solution

The fourth proportional to 454,737.58, 627,582.22 and 339,816.66 is: 468,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,737.58 : 627,582.22 = 339,816.66 : x
  2. Step 2: Convert to fraction form
    454,737.58/627,582.22 = 339,816.66/x
  3. Step 3: Cross multiply
    454,737.58x = 627,582.22 × 339,816.66
  4. Step 4: Simplify right side
    454,737.58x = 213,262,893,875.79
  5. Step 5: Solve for x
    x = 213,262,893,875.79/454,737.58
  6. Step 6: Final answer
    x = 468,980.14

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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.