Home / 422,964.08-583,706.80-231,985.52

Finding the Fourth Proportional to 422,964.08, 583,706.80 and 231,985.52

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Solution

The fourth proportional to 422,964.08, 583,706.80 and 231,985.52 is: 320,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,964.08 : 583,706.80 = 231,985.52 : x
  2. Step 2: Convert to fraction form
    422,964.08/583,706.80 = 231,985.52/x
  3. Step 3: Cross multiply
    422,964.08x = 583,706.80 × 231,985.52
  4. Step 4: Simplify right side
    422,964.08x = 135,411,525,525.54
  5. Step 5: Solve for x
    x = 135,411,525,525.54/422,964.08
  6. Step 6: Final answer
    x = 320,149.00

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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.