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Finding the Fourth Proportional to 642,228.84, 963,025.74 and 376,056.36

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Solution

The fourth proportional to 642,228.84, 963,025.74 and 376,056.36 is: 563,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,228.84 : 963,025.74 = 376,056.36 : x
  2. Step 2: Convert to fraction form
    642,228.84/963,025.74 = 376,056.36/x
  3. Step 3: Cross multiply
    642,228.84x = 963,025.74 × 376,056.36
  4. Step 4: Simplify right side
    642,228.84x = 362,151,954,370.71
  5. Step 5: Solve for x
    x = 362,151,954,370.71/642,228.84
  6. Step 6: Final answer
    x = 563,898.62

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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.