Home / 529,792.62-731,117.25-288,077.82

Finding the Fourth Proportional to 529,792.62, 731,117.25 and 288,077.82

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Solution

The fourth proportional to 529,792.62, 731,117.25 and 288,077.82 is: 397,549.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,792.62 : 731,117.25 = 288,077.82 : x
  2. Step 2: Convert to fraction form
    529,792.62/731,117.25 = 288,077.82/x
  3. Step 3: Cross multiply
    529,792.62x = 731,117.25 × 288,077.82
  4. Step 4: Simplify right side
    529,792.62x = 210,618,663,544.40
  5. Step 5: Solve for x
    x = 210,618,663,544.40/529,792.62
  6. Step 6: Final answer
    x = 397,549.26

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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.