Home / 668,533.80-1,001,925.90-268,847.40

Finding the Fourth Proportional to 668,533.80, 1,001,925.90 and 268,847.40

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Solution

The fourth proportional to 668,533.80, 1,001,925.90 and 268,847.40 is: 402,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,533.80 : 1,001,925.90 = 268,847.40 : x
  2. Step 2: Convert to fraction form
    668,533.80/1,001,925.90 = 268,847.40/x
  3. Step 3: Cross multiply
    668,533.80x = 1,001,925.90 × 268,847.40
  4. Step 4: Simplify right side
    668,533.80x = 269,365,173,207.66
  5. Step 5: Solve for x
    x = 269,365,173,207.66/668,533.80
  6. Step 6: Final answer
    x = 402,919.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.