Home / 482,000.84-723,434.90-257,553.12

Finding the Fourth Proportional to 482,000.84, 723,434.90 and 257,553.12

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Solution

The fourth proportional to 482,000.84, 723,434.90 and 257,553.12 is: 386,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,000.84 : 723,434.90 = 257,553.12 : x
  2. Step 2: Convert to fraction form
    482,000.84/723,434.90 = 257,553.12/x
  3. Step 3: Cross multiply
    482,000.84x = 723,434.90 × 257,553.12
  4. Step 4: Simplify right side
    482,000.84x = 186,322,914,324.12
  5. Step 5: Solve for x
    x = 186,322,914,324.12/482,000.84
  6. Step 6: Final answer
    x = 386,561.39

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1.5x scale

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.