Home / 870,313.92-1,200,725.28-568,682.88

Finding the Fourth Proportional to 870,313.92, 1,200,725.28 and 568,682.88

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Solution

The fourth proportional to 870,313.92, 1,200,725.28 and 568,682.88 is: 784,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,313.92 : 1,200,725.28 = 568,682.88 : x
  2. Step 2: Convert to fraction form
    870,313.92/1,200,725.28 = 568,682.88/x
  3. Step 3: Cross multiply
    870,313.92x = 1,200,725.28 × 568,682.88
  4. Step 4: Simplify right side
    870,313.92x = 682,831,910,319.21
  5. Step 5: Solve for x
    x = 682,831,910,319.21/870,313.92
  6. Step 6: Final answer
    x = 784,581.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.