Home / 813,234.67-1,122,288.44-450,624.60

Finding the Fourth Proportional to 813,234.67, 1,122,288.44 and 450,624.60

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Solution

The fourth proportional to 813,234.67, 1,122,288.44 and 450,624.60 is: 621,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,234.67 : 1,122,288.44 = 450,624.60 : x
  2. Step 2: Convert to fraction form
    813,234.67/1,122,288.44 = 450,624.60/x
  3. Step 3: Cross multiply
    813,234.67x = 1,122,288.44 × 450,624.60
  4. Step 4: Simplify right side
    813,234.67x = 505,730,777,106.50
  5. Step 5: Solve for x
    x = 505,730,777,106.50/813,234.67
  6. Step 6: Final answer
    x = 621,875.58

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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.