Home / 642,056.52-963,158.64-375,819.39

Finding the Fourth Proportional to 642,056.52, 963,158.64 and 375,819.39

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Solution

The fourth proportional to 642,056.52, 963,158.64 and 375,819.39 is: 563,772.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,056.52 : 963,158.64 = 375,819.39 : x
  2. Step 2: Convert to fraction form
    642,056.52/963,158.64 = 375,819.39/x
  3. Step 3: Cross multiply
    642,056.52x = 963,158.64 × 375,819.39
  4. Step 4: Simplify right side
    642,056.52x = 361,973,692,558.03
  5. Step 5: Solve for x
    x = 361,973,692,558.03/642,056.52
  6. Step 6: Final answer
    x = 563,772.32

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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.