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Finding the Fourth Proportional to 536,637.10, 804,955.65 and 529,638.70

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Solution

The fourth proportional to 536,637.10, 804,955.65 and 529,638.70 is: 794,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,637.10 : 804,955.65 = 529,638.70 : x
  2. Step 2: Convert to fraction form
    536,637.10/804,955.65 = 529,638.70/x
  3. Step 3: Cross multiply
    536,637.10x = 804,955.65 × 529,638.70
  4. Step 4: Simplify right side
    536,637.10x = 426,335,664,023.66
  5. Step 5: Solve for x
    x = 426,335,664,023.66/536,637.10
  6. Step 6: Final answer
    x = 794,458.05

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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.