Home / 847,257.68-1,270,883.73-307,513.24

Finding the Fourth Proportional to 847,257.68, 1,270,883.73 and 307,513.24

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Solution

The fourth proportional to 847,257.68, 1,270,883.73 and 307,513.24 is: 461,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,257.68 : 1,270,883.73 = 307,513.24 : x
  2. Step 2: Convert to fraction form
    847,257.68/1,270,883.73 = 307,513.24/x
  3. Step 3: Cross multiply
    847,257.68x = 1,270,883.73 × 307,513.24
  4. Step 4: Simplify right side
    847,257.68x = 390,813,571,451.55
  5. Step 5: Solve for x
    x = 390,813,571,451.55/847,257.68
  6. Step 6: Final answer
    x = 461,268.84

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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.