Home / 572,327.40-858,102.30-217,288.20

Finding the Fourth Proportional to 572,327.40, 858,102.30 and 217,288.20

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Solution

The fourth proportional to 572,327.40, 858,102.30 and 217,288.20 is: 325,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,327.40 : 858,102.30 = 217,288.20 : x
  2. Step 2: Convert to fraction form
    572,327.40/858,102.30 = 217,288.20/x
  3. Step 3: Cross multiply
    572,327.40x = 858,102.30 × 217,288.20
  4. Step 4: Simplify right side
    572,327.40x = 186,455,504,182.86
  5. Step 5: Solve for x
    x = 186,455,504,182.86/572,327.40
  6. Step 6: Final answer
    x = 325,784.69

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Similar ratio
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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.