Home / 529,744.73-731,043.95-288,027.36

Finding the Fourth Proportional to 529,744.73, 731,043.95 and 288,027.36

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Solution

The fourth proportional to 529,744.73, 731,043.95 and 288,027.36 is: 397,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,744.73 : 731,043.95 = 288,027.36 : x
  2. Step 2: Convert to fraction form
    529,744.73/731,043.95 = 288,027.36/x
  3. Step 3: Cross multiply
    529,744.73x = 731,043.95 × 288,027.36
  4. Step 4: Simplify right side
    529,744.73x = 210,560,657,522.34
  5. Step 5: Solve for x
    x = 210,560,657,522.34/529,744.73
  6. Step 6: Final answer
    x = 397,475.70

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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.