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Finding the Fourth Proportional to 668,359.48, 922,338.12 and 362,435.64

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Solution

The fourth proportional to 668,359.48, 922,338.12 and 362,435.64 is: 500,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,359.48 : 922,338.12 = 362,435.64 : x
  2. Step 2: Convert to fraction form
    668,359.48/922,338.12 = 362,435.64/x
  3. Step 3: Cross multiply
    668,359.48x = 922,338.12 × 362,435.64
  4. Step 4: Simplify right side
    668,359.48x = 334,288,206,818.60
  5. Step 5: Solve for x
    x = 334,288,206,818.60/668,359.48
  6. Step 6: Final answer
    x = 500,162.29

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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.