Home / 813,364.20-1,220,046.30-603,412.20

Finding the Fourth Proportional to 813,364.20, 1,220,046.30 and 603,412.20

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Solution

The fourth proportional to 813,364.20, 1,220,046.30 and 603,412.20 is: 905,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,364.20 : 1,220,046.30 = 603,412.20 : x
  2. Step 2: Convert to fraction form
    813,364.20/1,220,046.30 = 603,412.20/x
  3. Step 3: Cross multiply
    813,364.20x = 1,220,046.30 × 603,412.20
  4. Step 4: Simplify right side
    813,364.20x = 736,190,821,984.86
  5. Step 5: Solve for x
    x = 736,190,821,984.86/813,364.20
  6. Step 6: Final answer
    x = 905,118.30

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Similar ratio
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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.