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Finding the Fourth Proportional to 510,330.40, 763,681.20 and 444,493.60

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Solution

The fourth proportional to 510,330.40, 763,681.20 and 444,493.60 is: 665,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,330.40 : 763,681.20 = 444,493.60 : x
  2. Step 2: Convert to fraction form
    510,330.40/763,681.20 = 444,493.60/x
  3. Step 3: Cross multiply
    510,330.40x = 763,681.20 × 444,493.60
  4. Step 4: Simplify right side
    510,330.40x = 339,451,405,840.32
  5. Step 5: Solve for x
    x = 339,451,405,840.32/510,330.40
  6. Step 6: Final answer
    x = 665,160.07

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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.