Home / 823,308.58-1,232,969.70-569,879.02

Finding the Fourth Proportional to 823,308.58, 1,232,969.70 and 569,879.02

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Solution

The fourth proportional to 823,308.58, 1,232,969.70 and 569,879.02 is: 853,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,308.58 : 1,232,969.70 = 569,879.02 : x
  2. Step 2: Convert to fraction form
    823,308.58/1,232,969.70 = 569,879.02/x
  3. Step 3: Cross multiply
    823,308.58x = 1,232,969.70 × 569,879.02
  4. Step 4: Simplify right side
    823,308.58x = 702,643,558,160.85
  5. Step 5: Solve for x
    x = 702,643,558,160.85/823,308.58
  6. Step 6: Final answer
    x = 853,438.89

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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.