Home / 762,843.07-1,144,817.55-283,139.15

Finding the Fourth Proportional to 762,843.07, 1,144,817.55 and 283,139.15

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Solution

The fourth proportional to 762,843.07, 1,144,817.55 and 283,139.15 is: 424,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,843.07 : 1,144,817.55 = 283,139.15 : x
  2. Step 2: Convert to fraction form
    762,843.07/1,144,817.55 = 283,139.15/x
  3. Step 3: Cross multiply
    762,843.07x = 1,144,817.55 × 283,139.15
  4. Step 4: Simplify right side
    762,843.07x = 324,142,662,288.00
  5. Step 5: Solve for x
    x = 324,142,662,288.00/762,843.07
  6. Step 6: Final answer
    x = 424,913.95

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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.