Home / 652,124.91-899,941.57-393,965.97

Finding the Fourth Proportional to 652,124.91, 899,941.57 and 393,965.97

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Solution

The fourth proportional to 652,124.91, 899,941.57 and 393,965.97 is: 543,678.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,124.91 : 899,941.57 = 393,965.97 : x
  2. Step 2: Convert to fraction form
    652,124.91/899,941.57 = 393,965.97/x
  3. Step 3: Cross multiply
    652,124.91x = 899,941.57 × 393,965.97
  4. Step 4: Simplify right side
    652,124.91x = 354,546,349,068.67
  5. Step 5: Solve for x
    x = 354,546,349,068.67/652,124.91
  6. Step 6: Final answer
    x = 543,678.59

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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.