Home / 762,306.09-1,143,336.45-222,435.62

Finding the Fourth Proportional to 762,306.09, 1,143,336.45 and 222,435.62

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Solution

The fourth proportional to 762,306.09, 1,143,336.45 and 222,435.62 is: 333,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,306.09 : 1,143,336.45 = 222,435.62 : x
  2. Step 2: Convert to fraction form
    762,306.09/1,143,336.45 = 222,435.62/x
  3. Step 3: Cross multiply
    762,306.09x = 1,143,336.45 × 222,435.62
  4. Step 4: Simplify right side
    762,306.09x = 254,318,746,407.67
  5. Step 5: Solve for x
    x = 254,318,746,407.67/762,306.09
  6. Step 6: Final answer
    x = 333,617.62

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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.