Home / 822,631.20-1,135,222.96-460,050.88

Finding the Fourth Proportional to 822,631.20, 1,135,222.96 and 460,050.88

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Solution

The fourth proportional to 822,631.20, 1,135,222.96 and 460,050.88 is: 634,865.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,631.20 : 1,135,222.96 = 460,050.88 : x
  2. Step 2: Convert to fraction form
    822,631.20/1,135,222.96 = 460,050.88/x
  3. Step 3: Cross multiply
    822,631.20x = 1,135,222.96 × 460,050.88
  4. Step 4: Simplify right side
    822,631.20x = 522,260,321,744.21
  5. Step 5: Solve for x
    x = 522,260,321,744.21/822,631.20
  6. Step 6: Final answer
    x = 634,865.69

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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.