Home / 668,280.12-1,002,605.16-308,561.04

Finding the Fourth Proportional to 668,280.12, 1,002,605.16 and 308,561.04

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Solution

The fourth proportional to 668,280.12, 1,002,605.16 and 308,561.04 is: 462,926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,280.12 : 1,002,605.16 = 308,561.04 : x
  2. Step 2: Convert to fraction form
    668,280.12/1,002,605.16 = 308,561.04/x
  3. Step 3: Cross multiply
    668,280.12x = 1,002,605.16 × 308,561.04
  4. Step 4: Simplify right side
    668,280.12x = 309,364,890,878.97
  5. Step 5: Solve for x
    x = 309,364,890,878.97/668,280.12
  6. Step 6: Final answer
    x = 462,926.97

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1.5x scale

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.