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Finding the Fourth Proportional to 510,549.30, 766,115.55 and 352,890.90

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Solution

The fourth proportional to 510,549.30, 766,115.55 and 352,890.90 is: 529,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,549.30 : 766,115.55 = 352,890.90 : x
  2. Step 2: Convert to fraction form
    510,549.30/766,115.55 = 352,890.90/x
  3. Step 3: Cross multiply
    510,549.30x = 766,115.55 × 352,890.90
  4. Step 4: Simplify right side
    510,549.30x = 270,355,205,943.50
  5. Step 5: Solve for x
    x = 270,355,205,943.50/510,549.30
  6. Step 6: Final answer
    x = 529,537.90

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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.