Home / 808,939.50-1,116,740.66-503,114.46

Finding the Fourth Proportional to 808,939.50, 1,116,740.66 and 503,114.46

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Solution

The fourth proportional to 808,939.50, 1,116,740.66 and 503,114.46 is: 694,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,939.50 : 1,116,740.66 = 503,114.46 : x
  2. Step 2: Convert to fraction form
    808,939.50/1,116,740.66 = 503,114.46/x
  3. Step 3: Cross multiply
    808,939.50x = 1,116,740.66 × 503,114.46
  4. Step 4: Simplify right side
    808,939.50x = 561,848,375,373.73
  5. Step 5: Solve for x
    x = 561,848,375,373.73/808,939.50
  6. Step 6: Final answer
    x = 694,549.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.