Home / 652,125.66-899,942.61-393,966.72

Finding the Fourth Proportional to 652,125.66, 899,942.61 and 393,966.72

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Solution

The fourth proportional to 652,125.66, 899,942.61 and 393,966.72 is: 543,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,125.66 : 899,942.61 = 393,966.72 : x
  2. Step 2: Convert to fraction form
    652,125.66/899,942.61 = 393,966.72/x
  3. Step 3: Cross multiply
    652,125.66x = 899,942.61 × 393,966.72
  4. Step 4: Simplify right side
    652,125.66x = 354,547,438,249.94
  5. Step 5: Solve for x
    x = 354,547,438,249.94/652,125.66
  6. Step 6: Final answer
    x = 543,679.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.