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Finding the Fourth Proportional to 666,024.48, 919,095.12 and 364,212

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Solution

The fourth proportional to 666,024.48, 919,095.12 and 364,212 is: 502,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,024.48 : 919,095.12 = 364,212 : x
  2. Step 2: Convert to fraction form
    666,024.48/919,095.12 = 364,212/x
  3. Step 3: Cross multiply
    666,024.48x = 919,095.12 × 364,212
  4. Step 4: Simplify right side
    666,024.48x = 334,745,471,845.44
  5. Step 5: Solve for x
    x = 334,745,471,845.44/666,024.48
  6. Step 6: Final answer
    x = 502,602.35

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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.