Home / 689,468.09-1,034,202.33-216,190.35

Finding the Fourth Proportional to 689,468.09, 1,034,202.33 and 216,190.35

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Solution

The fourth proportional to 689,468.09, 1,034,202.33 and 216,190.35 is: 324,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,468.09 : 1,034,202.33 = 216,190.35 : x
  2. Step 2: Convert to fraction form
    689,468.09/1,034,202.33 = 216,190.35/x
  3. Step 3: Cross multiply
    689,468.09x = 1,034,202.33 × 216,190.35
  4. Step 4: Simplify right side
    689,468.09x = 223,584,563,693.52
  5. Step 5: Solve for x
    x = 223,584,563,693.52/689,468.09
  6. Step 6: Final answer
    x = 324,285.59

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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.