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Finding the Fourth Proportional to 510,060.60, 764,434.80 and 310,168.80

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Solution

The fourth proportional to 510,060.60, 764,434.80 and 310,168.80 is: 464,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,060.60 : 764,434.80 = 310,168.80 : x
  2. Step 2: Convert to fraction form
    510,060.60/764,434.80 = 310,168.80/x
  3. Step 3: Cross multiply
    510,060.60x = 764,434.80 × 310,168.80
  4. Step 4: Simplify right side
    510,060.60x = 237,103,824,594.24
  5. Step 5: Solve for x
    x = 237,103,824,594.24/510,060.60
  6. Step 6: Final answer
    x = 464,854.22

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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.