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Finding the Fourth Proportional to 510,550.30, 766,117.05 and 352,891.90

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Solution

The fourth proportional to 510,550.30, 766,117.05 and 352,891.90 is: 529,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,550.30 : 766,117.05 = 352,891.90 : x
  2. Step 2: Convert to fraction form
    510,550.30/766,117.05 = 352,891.90/x
  3. Step 3: Cross multiply
    510,550.30x = 766,117.05 × 352,891.90
  4. Step 4: Simplify right side
    510,550.30x = 270,356,501,396.90
  5. Step 5: Solve for x
    x = 270,356,501,396.90/510,550.30
  6. Step 6: Final answer
    x = 529,539.40

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1.5x scale

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.