Home / 402,983.43-604,453.26-122,478.81

Finding the Fourth Proportional to 402,983.43, 604,453.26 and 122,478.81

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Solution

The fourth proportional to 402,983.43, 604,453.26 and 122,478.81 is: 183,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,983.43 : 604,453.26 = 122,478.81 : x
  2. Step 2: Convert to fraction form
    402,983.43/604,453.26 = 122,478.81/x
  3. Step 3: Cross multiply
    402,983.43x = 604,453.26 × 122,478.81
  4. Step 4: Simplify right side
    402,983.43x = 74,032,715,985.42
  5. Step 5: Solve for x
    x = 74,032,715,985.42/402,983.43
  6. Step 6: Final answer
    x = 183,711.56

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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.