Home / 689,475.63-1,034,213.48-216,199.11

Finding the Fourth Proportional to 689,475.63, 1,034,213.48 and 216,199.11

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Solution

The fourth proportional to 689,475.63, 1,034,213.48 and 216,199.11 is: 324,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,475.63 : 1,034,213.48 = 216,199.11 : x
  2. Step 2: Convert to fraction form
    689,475.63/1,034,213.48 = 216,199.11/x
  3. Step 3: Cross multiply
    689,475.63x = 1,034,213.48 × 216,199.11
  4. Step 4: Simplify right side
    689,475.63x = 223,596,033,926.00
  5. Step 5: Solve for x
    x = 223,596,033,926.00/689,475.63
  6. Step 6: Final answer
    x = 324,298.68

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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.