Home / 813,244.15-1,122,283.20-450,673.88

Finding the Fourth Proportional to 813,244.15, 1,122,283.20 and 450,673.88

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Solution

The fourth proportional to 813,244.15, 1,122,283.20 and 450,673.88 is: 621,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,244.15 : 1,122,283.20 = 450,673.88 : x
  2. Step 2: Convert to fraction form
    813,244.15/1,122,283.20 = 450,673.88/x
  3. Step 3: Cross multiply
    813,244.15x = 1,122,283.20 × 450,673.88
  4. Step 4: Simplify right side
    813,244.15x = 505,783,717,746.39
  5. Step 5: Solve for x
    x = 505,783,717,746.39/813,244.15
  6. Step 6: Final answer
    x = 621,933.42

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Double scale
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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.