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Finding the Fourth Proportional to 668,671.52, 996,057.48 and 632,454.08

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Solution

The fourth proportional to 668,671.52, 996,057.48 and 632,454.08 is: 942,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,671.52 : 996,057.48 = 632,454.08 : x
  2. Step 2: Convert to fraction form
    668,671.52/996,057.48 = 632,454.08/x
  3. Step 3: Cross multiply
    668,671.52x = 996,057.48 × 632,454.08
  4. Step 4: Simplify right side
    668,671.52x = 629,960,617,140.52
  5. Step 5: Solve for x
    x = 629,960,617,140.52/668,671.52
  6. Step 6: Final answer
    x = 942,107.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.