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Finding the Fourth Proportional to 666,320.48, 919,529.52 and 364,508

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Solution

The fourth proportional to 666,320.48, 919,529.52 and 364,508 is: 503,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,320.48 : 919,529.52 = 364,508 : x
  2. Step 2: Convert to fraction form
    666,320.48/919,529.52 = 364,508/x
  3. Step 3: Cross multiply
    666,320.48x = 919,529.52 × 364,508
  4. Step 4: Simplify right side
    666,320.48x = 335,175,866,276.16
  5. Step 5: Solve for x
    x = 335,175,866,276.16/666,320.48
  6. Step 6: Final answer
    x = 503,025.01

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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.