Home / 822,057.30-1,232,164.35-422,543.70

Finding the Fourth Proportional to 822,057.30, 1,232,164.35 and 422,543.70

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Solution

The fourth proportional to 822,057.30, 1,232,164.35 and 422,543.70 is: 633,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,057.30 : 1,232,164.35 = 422,543.70 : x
  2. Step 2: Convert to fraction form
    822,057.30/1,232,164.35 = 422,543.70/x
  3. Step 3: Cross multiply
    822,057.30x = 1,232,164.35 × 422,543.70
  4. Step 4: Simplify right side
    822,057.30x = 520,643,283,457.10
  5. Step 5: Solve for x
    x = 520,643,283,457.10/822,057.30
  6. Step 6: Final answer
    x = 633,341.84

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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.