Home / 529,838-731,176.50-303,498.08

Finding the Fourth Proportional to 529,838, 731,176.50 and 303,498.08

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Solution

The fourth proportional to 529,838, 731,176.50 and 303,498.08 is: 418,827.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,838 : 731,176.50 = 303,498.08 : x
  2. Step 2: Convert to fraction form
    529,838/731,176.50 = 303,498.08/x
  3. Step 3: Cross multiply
    529,838x = 731,176.50 × 303,498.08
  4. Step 4: Simplify right side
    529,838x = 221,910,663,891.12
  5. Step 5: Solve for x
    x = 221,910,663,891.12/529,838
  6. Step 6: Final answer
    x = 418,827.38

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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.