Home / 939,077.54-1,294,899.96-697,807.70

Finding the Fourth Proportional to 939,077.54, 1,294,899.96 and 697,807.70

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Solution

The fourth proportional to 939,077.54, 1,294,899.96 and 697,807.70 is: 962,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,077.54 : 1,294,899.96 = 697,807.70 : x
  2. Step 2: Convert to fraction form
    939,077.54/1,294,899.96 = 697,807.70/x
  3. Step 3: Cross multiply
    939,077.54x = 1,294,899.96 × 697,807.70
  4. Step 4: Simplify right side
    939,077.54x = 903,591,162,817.69
  5. Step 5: Solve for x
    x = 903,591,162,817.69/939,077.54
  6. Step 6: Final answer
    x = 962,211.45

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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.