Home / 668,655.24-1,002,987.72-195,670.32

Finding the Fourth Proportional to 668,655.24, 1,002,987.72 and 195,670.32

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Solution

The fourth proportional to 668,655.24, 1,002,987.72 and 195,670.32 is: 293,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,655.24 : 1,002,987.72 = 195,670.32 : x
  2. Step 2: Convert to fraction form
    668,655.24/1,002,987.72 = 195,670.32/x
  3. Step 3: Cross multiply
    668,655.24x = 1,002,987.72 × 195,670.32
  4. Step 4: Simplify right side
    668,655.24x = 196,254,928,128.47
  5. Step 5: Solve for x
    x = 196,254,928,128.47/668,655.24
  6. Step 6: Final answer
    x = 293,506.90

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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.