Home / 739,242.42-1,108,863.63-290,174.77

Finding the Fourth Proportional to 739,242.42, 1,108,863.63 and 290,174.77

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Solution

The fourth proportional to 739,242.42, 1,108,863.63 and 290,174.77 is: 435,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,242.42 : 1,108,863.63 = 290,174.77 : x
  2. Step 2: Convert to fraction form
    739,242.42/1,108,863.63 = 290,174.77/x
  3. Step 3: Cross multiply
    739,242.42x = 1,108,863.63 × 290,174.77
  4. Step 4: Simplify right side
    739,242.42x = 321,764,248,796.62
  5. Step 5: Solve for x
    x = 321,764,248,796.62/739,242.42
  6. Step 6: Final answer
    x = 435,262.16

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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.