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Finding the Fourth Proportional to 478,507.60, 718,344.60 and 241,728.40

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Solution

The fourth proportional to 478,507.60, 718,344.60 and 241,728.40 is: 362,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,507.60 : 718,344.60 = 241,728.40 : x
  2. Step 2: Convert to fraction form
    478,507.60/718,344.60 = 241,728.40/x
  3. Step 3: Cross multiply
    478,507.60x = 718,344.60 × 241,728.40
  4. Step 4: Simplify right side
    478,507.60x = 173,644,290,806.64
  5. Step 5: Solve for x
    x = 173,644,290,806.64/478,507.60
  6. Step 6: Final answer
    x = 362,887.22

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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.