Home / 529,776.74-731,101.02-288,060.94

Finding the Fourth Proportional to 529,776.74, 731,101.02 and 288,060.94

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Solution

The fourth proportional to 529,776.74, 731,101.02 and 288,060.94 is: 397,529.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,776.74 : 731,101.02 = 288,060.94 : x
  2. Step 2: Convert to fraction form
    529,776.74/731,101.02 = 288,060.94/x
  3. Step 3: Cross multiply
    529,776.74x = 731,101.02 × 288,060.94
  4. Step 4: Simplify right side
    529,776.74x = 210,601,647,056.16
  5. Step 5: Solve for x
    x = 210,601,647,056.16/529,776.74
  6. Step 6: Final answer
    x = 397,529.06

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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.