Home / 834,255.42-1,151,226.36-471,656.28

Finding the Fourth Proportional to 834,255.42, 1,151,226.36 and 471,656.28

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Solution

The fourth proportional to 834,255.42, 1,151,226.36 and 471,656.28 is: 650,859.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,255.42 : 1,151,226.36 = 471,656.28 : x
  2. Step 2: Convert to fraction form
    834,255.42/1,151,226.36 = 471,656.28/x
  3. Step 3: Cross multiply
    834,255.42x = 1,151,226.36 × 471,656.28
  4. Step 4: Simplify right side
    834,255.42x = 542,983,142,395.54
  5. Step 5: Solve for x
    x = 542,983,142,395.54/834,255.42
  6. Step 6: Final answer
    x = 650,859.59

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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.