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Finding the Fourth Proportional to 529,525.84, 730,750.54 and 287,808.96

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Solution

The fourth proportional to 529,525.84, 730,750.54 and 287,808.96 is: 397,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,525.84 : 730,750.54 = 287,808.96 : x
  2. Step 2: Convert to fraction form
    529,525.84/730,750.54 = 287,808.96/x
  3. Step 3: Cross multiply
    529,525.84x = 730,750.54 × 287,808.96
  4. Step 4: Simplify right side
    529,525.84x = 210,316,552,936.84
  5. Step 5: Solve for x
    x = 210,316,552,936.84/529,525.84
  6. Step 6: Final answer
    x = 397,179.02

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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.