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Finding the Fourth Proportional to 478,957.78, 660,948.96 and 264,094.12

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Solution

The fourth proportional to 478,957.78, 660,948.96 and 264,094.12 is: 364,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,957.78 : 660,948.96 = 264,094.12 : x
  2. Step 2: Convert to fraction form
    478,957.78/660,948.96 = 264,094.12/x
  3. Step 3: Cross multiply
    478,957.78x = 660,948.96 × 264,094.12
  4. Step 4: Simplify right side
    478,957.78x = 174,552,733,956.12
  5. Step 5: Solve for x
    x = 174,552,733,956.12/478,957.78
  6. Step 6: Final answer
    x = 364,442.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.