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Finding the Fourth Proportional to 510,645.06, 765,250.72 and 403,558.26

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Solution

The fourth proportional to 510,645.06, 765,250.72 and 403,558.26 is: 604,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,645.06 : 765,250.72 = 403,558.26 : x
  2. Step 2: Convert to fraction form
    510,645.06/765,250.72 = 403,558.26/x
  3. Step 3: Cross multiply
    510,645.06x = 765,250.72 × 403,558.26
  4. Step 4: Simplify right side
    510,645.06x = 308,823,249,026.95
  5. Step 5: Solve for x
    x = 308,823,249,026.95/510,645.06
  6. Step 6: Final answer
    x = 604,770.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.