Home / 529,915.58-731,276.42-288,192.94

Finding the Fourth Proportional to 529,915.58, 731,276.42 and 288,192.94

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Solution

The fourth proportional to 529,915.58, 731,276.42 and 288,192.94 is: 397,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,915.58 : 731,276.42 = 288,192.94 : x
  2. Step 2: Convert to fraction form
    529,915.58/731,276.42 = 288,192.94/x
  3. Step 3: Cross multiply
    529,915.58x = 731,276.42 × 288,192.94
  4. Step 4: Simplify right side
    529,915.58x = 210,748,701,432.48
  5. Step 5: Solve for x
    x = 210,748,701,432.48/529,915.58
  6. Step 6: Final answer
    x = 397,702.41

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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.