Home / 756,255.64-1,134,856.38-306,976.36

Finding the Fourth Proportional to 756,255.64, 1,134,856.38 and 306,976.36

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Solution

The fourth proportional to 756,255.64, 1,134,856.38 and 306,976.36 is: 460,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,255.64 : 1,134,856.38 = 306,976.36 : x
  2. Step 2: Convert to fraction form
    756,255.64/1,134,856.38 = 306,976.36/x
  3. Step 3: Cross multiply
    756,255.64x = 1,134,856.38 × 306,976.36
  4. Step 4: Simplify right side
    756,255.64x = 348,374,080,655.18
  5. Step 5: Solve for x
    x = 348,374,080,655.18/756,255.64
  6. Step 6: Final answer
    x = 460,656.51

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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.