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Finding the Fourth Proportional to 579,092.40, 866,795.40 and 413,204.40

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Solution

The fourth proportional to 579,092.40, 866,795.40 and 413,204.40 is: 618,491.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,092.40 : 866,795.40 = 413,204.40 : x
  2. Step 2: Convert to fraction form
    579,092.40/866,795.40 = 413,204.40/x
  3. Step 3: Cross multiply
    579,092.40x = 866,795.40 × 413,204.40
  4. Step 4: Simplify right side
    579,092.40x = 358,163,673,179.76
  5. Step 5: Solve for x
    x = 358,163,673,179.76/579,092.40
  6. Step 6: Final answer
    x = 618,491.41

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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.