Home / 476,945.21-714,296.07-223,679.68

Finding the Fourth Proportional to 476,945.21, 714,296.07 and 223,679.68

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Solution

The fourth proportional to 476,945.21, 714,296.07 and 223,679.68 is: 334,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,945.21 : 714,296.07 = 223,679.68 : x
  2. Step 2: Convert to fraction form
    476,945.21/714,296.07 = 223,679.68/x
  3. Step 3: Cross multiply
    476,945.21x = 714,296.07 × 223,679.68
  4. Step 4: Simplify right side
    476,945.21x = 159,773,514,577.12
  5. Step 5: Solve for x
    x = 159,773,514,577.12/476,945.21
  6. Step 6: Final answer
    x = 334,993.43

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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.