Home / 669,887.80-1,003,661.64-558,285.18

Finding the Fourth Proportional to 669,887.80, 1,003,661.64 and 558,285.18

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Solution

The fourth proportional to 669,887.80, 1,003,661.64 and 558,285.18 is: 836,452.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,887.80 : 1,003,661.64 = 558,285.18 : x
  2. Step 2: Convert to fraction form
    669,887.80/1,003,661.64 = 558,285.18/x
  3. Step 3: Cross multiply
    669,887.80x = 1,003,661.64 × 558,285.18
  4. Step 4: Simplify right side
    669,887.80x = 560,329,419,346.50
  5. Step 5: Solve for x
    x = 560,329,419,346.50/669,887.80
  6. Step 6: Final answer
    x = 836,452.64

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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.