Home / 668,070.48-1,002,025.54-188,334.42

Finding the Fourth Proportional to 668,070.48, 1,002,025.54 and 188,334.42

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Solution

The fourth proportional to 668,070.48, 1,002,025.54 and 188,334.42 is: 282,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,070.48 : 1,002,025.54 = 188,334.42 : x
  2. Step 2: Convert to fraction form
    668,070.48/1,002,025.54 = 188,334.42/x
  3. Step 3: Cross multiply
    668,070.48x = 1,002,025.54 × 188,334.42
  4. Step 4: Simplify right side
    668,070.48x = 188,715,894,319.53
  5. Step 5: Solve for x
    x = 188,715,894,319.53/668,070.48
  6. Step 6: Final answer
    x = 282,479.02

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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.