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Finding the Fourth Proportional to 510,549.80, 766,116.30 and 352,891.40

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Solution

The fourth proportional to 510,549.80, 766,116.30 and 352,891.40 is: 529,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,549.80 : 766,116.30 = 352,891.40 : x
  2. Step 2: Convert to fraction form
    510,549.80/766,116.30 = 352,891.40/x
  3. Step 3: Cross multiply
    510,549.80x = 766,116.30 × 352,891.40
  4. Step 4: Simplify right side
    510,549.80x = 270,355,853,669.82
  5. Step 5: Solve for x
    x = 270,355,853,669.82/510,549.80
  6. Step 6: Final answer
    x = 529,538.65

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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.