Home / 781,646.16-1,171,181.34-716,279.16

Finding the Fourth Proportional to 781,646.16, 1,171,181.34 and 716,279.16

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Solution

The fourth proportional to 781,646.16, 1,171,181.34 and 716,279.16 is: 1,073,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,646.16 : 1,171,181.34 = 716,279.16 : x
  2. Step 2: Convert to fraction form
    781,646.16/1,171,181.34 = 716,279.16/x
  3. Step 3: Cross multiply
    781,646.16x = 1,171,181.34 × 716,279.16
  4. Step 4: Simplify right side
    781,646.16x = 838,892,786,422.88
  5. Step 5: Solve for x
    x = 838,892,786,422.88/781,646.16
  6. Step 6: Final answer
    x = 1,073,238.54

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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.