Home / 529,777.74-731,102.40-288,061.94

Finding the Fourth Proportional to 529,777.74, 731,102.40 and 288,061.94

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Solution

The fourth proportional to 529,777.74, 731,102.40 and 288,061.94 is: 397,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,777.74 : 731,102.40 = 288,061.94 : x
  2. Step 2: Convert to fraction form
    529,777.74/731,102.40 = 288,061.94/x
  3. Step 3: Cross multiply
    529,777.74x = 731,102.40 × 288,061.94
  4. Step 4: Simplify right side
    529,777.74x = 210,602,775,682.66
  5. Step 5: Solve for x
    x = 210,602,775,682.66/529,777.74
  6. Step 6: Final answer
    x = 397,530.44

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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.