Home / 762,612.41-1,143,212.28-282,572.75

Finding the Fourth Proportional to 762,612.41, 1,143,212.28 and 282,572.75

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Solution

The fourth proportional to 762,612.41, 1,143,212.28 and 282,572.75 is: 423,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,612.41 : 1,143,212.28 = 282,572.75 : x
  2. Step 2: Convert to fraction form
    762,612.41/1,143,212.28 = 282,572.75/x
  3. Step 3: Cross multiply
    762,612.41x = 1,143,212.28 × 282,572.75
  4. Step 4: Simplify right side
    762,612.41x = 323,040,632,077.31
  5. Step 5: Solve for x
    x = 323,040,632,077.31/762,612.41
  6. Step 6: Final answer
    x = 423,597.40

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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.