Home / 689,464.41-1,034,196.58-216,187.89

Finding the Fourth Proportional to 689,464.41, 1,034,196.58 and 216,187.89

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Solution

The fourth proportional to 689,464.41, 1,034,196.58 and 216,187.89 is: 324,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,464.41 : 1,034,196.58 = 216,187.89 : x
  2. Step 2: Convert to fraction form
    689,464.41/1,034,196.58 = 216,187.89/x
  3. Step 3: Cross multiply
    689,464.41x = 1,034,196.58 × 216,187.89
  4. Step 4: Simplify right side
    689,464.41x = 223,580,776,475.42
  5. Step 5: Solve for x
    x = 223,580,776,475.42/689,464.41
  6. Step 6: Final answer
    x = 324,281.82

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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.