Home / 695,697.14-1,043,422.68-316,528.74

Finding the Fourth Proportional to 695,697.14, 1,043,422.68 and 316,528.74

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Solution

The fourth proportional to 695,697.14, 1,043,422.68 and 316,528.74 is: 474,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,697.14 : 1,043,422.68 = 316,528.74 : x
  2. Step 2: Convert to fraction form
    695,697.14/1,043,422.68 = 316,528.74/x
  3. Step 3: Cross multiply
    695,697.14x = 1,043,422.68 × 316,528.74
  4. Step 4: Simplify right side
    695,697.14x = 330,273,266,187.82
  5. Step 5: Solve for x
    x = 330,273,266,187.82/695,697.14
  6. Step 6: Final answer
    x = 474,737.14

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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.