Home / 808,666.30-1,212,999.45-684,250.30

Finding the Fourth Proportional to 808,666.30, 1,212,999.45 and 684,250.30

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Solution

The fourth proportional to 808,666.30, 1,212,999.45 and 684,250.30 is: 1,026,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,666.30 : 1,212,999.45 = 684,250.30 : x
  2. Step 2: Convert to fraction form
    808,666.30/1,212,999.45 = 684,250.30/x
  3. Step 3: Cross multiply
    808,666.30x = 1,212,999.45 × 684,250.30
  4. Step 4: Simplify right side
    808,666.30x = 829,995,237,562.34
  5. Step 5: Solve for x
    x = 829,995,237,562.34/808,666.30
  6. Step 6: Final answer
    x = 1,026,375.45

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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.