Home / 813,223.50-1,122,273.03-450,613.44

Finding the Fourth Proportional to 813,223.50, 1,122,273.03 and 450,613.44

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Solution

The fourth proportional to 813,223.50, 1,122,273.03 and 450,613.44 is: 621,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,223.50 : 1,122,273.03 = 450,613.44 : x
  2. Step 2: Convert to fraction form
    813,223.50/1,122,273.03 = 450,613.44/x
  3. Step 3: Cross multiply
    813,223.50x = 1,122,273.03 × 450,613.44
  4. Step 4: Simplify right side
    813,223.50x = 505,711,310,667.52
  5. Step 5: Solve for x
    x = 505,711,310,667.52/813,223.50
  6. Step 6: Final answer
    x = 621,860.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.