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Finding the Fourth Proportional to 668,435.92, 922,442.04 and 362,512.28

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Solution

The fourth proportional to 668,435.92, 922,442.04 and 362,512.28 is: 500,267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,435.92 : 922,442.04 = 362,512.28 : x
  2. Step 2: Convert to fraction form
    668,435.92/922,442.04 = 362,512.28/x
  3. Step 3: Cross multiply
    668,435.92x = 922,442.04 × 362,512.28
  4. Step 4: Simplify right side
    668,435.92x = 334,396,569,394.36
  5. Step 5: Solve for x
    x = 334,396,569,394.36/668,435.92
  6. Step 6: Final answer
    x = 500,267.21

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1.5x scale

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.