Home / 747,863.01-1,121,796.36-298,620.45

Finding the Fourth Proportional to 747,863.01, 1,121,796.36 and 298,620.45

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Solution

The fourth proportional to 747,863.01, 1,121,796.36 and 298,620.45 is: 447,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,863.01 : 1,121,796.36 = 298,620.45 : x
  2. Step 2: Convert to fraction form
    747,863.01/1,121,796.36 = 298,620.45/x
  3. Step 3: Cross multiply
    747,863.01x = 1,121,796.36 × 298,620.45
  4. Step 4: Simplify right side
    747,863.01x = 334,991,333,831.56
  5. Step 5: Solve for x
    x = 334,991,333,831.56/747,863.01
  6. Step 6: Final answer
    x = 447,931.41

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Double scale
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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.