Home / 402,569.20-603,926.70-202,385.80

Finding the Fourth Proportional to 402,569.20, 603,926.70 and 202,385.80

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Solution

The fourth proportional to 402,569.20, 603,926.70 and 202,385.80 is: 303,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,569.20 : 603,926.70 = 202,385.80 : x
  2. Step 2: Convert to fraction form
    402,569.20/603,926.70 = 202,385.80/x
  3. Step 3: Cross multiply
    402,569.20x = 603,926.70 × 202,385.80
  4. Step 4: Simplify right side
    402,569.20x = 122,226,188,320.86
  5. Step 5: Solve for x
    x = 122,226,188,320.86/402,569.20
  6. Step 6: Final answer
    x = 303,615.35

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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.