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Finding the Fourth Proportional to 510,018.30, 765,027.45 and 307,064.70

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Solution

The fourth proportional to 510,018.30, 765,027.45 and 307,064.70 is: 460,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,018.30 : 765,027.45 = 307,064.70 : x
  2. Step 2: Convert to fraction form
    510,018.30/765,027.45 = 307,064.70/x
  3. Step 3: Cross multiply
    510,018.30x = 765,027.45 × 307,064.70
  4. Step 4: Simplify right side
    510,018.30x = 234,912,924,426.02
  5. Step 5: Solve for x
    x = 234,912,924,426.02/510,018.30
  6. Step 6: Final answer
    x = 460,597.05

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Similar ratio
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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.