Home / 840,586.50-1,160,009.37-538,780.50

Finding the Fourth Proportional to 840,586.50, 1,160,009.37 and 538,780.50

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Solution

The fourth proportional to 840,586.50, 1,160,009.37 and 538,780.50 is: 743,517.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,586.50 : 1,160,009.37 = 538,780.50 : x
  2. Step 2: Convert to fraction form
    840,586.50/1,160,009.37 = 538,780.50/x
  3. Step 3: Cross multiply
    840,586.50x = 1,160,009.37 × 538,780.50
  4. Step 4: Simplify right side
    840,586.50x = 624,990,428,373.29
  5. Step 5: Solve for x
    x = 624,990,428,373.29/840,586.50
  6. Step 6: Final answer
    x = 743,517.09

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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.