Home / 827,501.80-1,243,577.82-490,590.28

Finding the Fourth Proportional to 827,501.80, 1,243,577.82 and 490,590.28

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Solution

The fourth proportional to 827,501.80, 1,243,577.82 and 490,590.28 is: 737,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,501.80 : 1,243,577.82 = 490,590.28 : x
  2. Step 2: Convert to fraction form
    827,501.80/1,243,577.82 = 490,590.28/x
  3. Step 3: Cross multiply
    827,501.80x = 1,243,577.82 × 490,590.28
  4. Step 4: Simplify right side
    827,501.80x = 610,087,190,915.59
  5. Step 5: Solve for x
    x = 610,087,190,915.59/827,501.80
  6. Step 6: Final answer
    x = 737,263.88

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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.