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Finding the Fourth Proportional to 663,774.96, 995,553 and 284,756.88

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Solution

The fourth proportional to 663,774.96, 995,553 and 284,756.88 is: 427,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,774.96 : 995,553 = 284,756.88 : x
  2. Step 2: Convert to fraction form
    663,774.96/995,553 = 284,756.88/x
  3. Step 3: Cross multiply
    663,774.96x = 995,553 × 284,756.88
  4. Step 4: Simplify right side
    663,774.96x = 283,490,566,154.64
  5. Step 5: Solve for x
    x = 283,490,566,154.64/663,774.96
  6. Step 6: Final answer
    x = 427,088.37

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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.