Home / 829,220.81-1,243,692.78-230,242.52

Finding the Fourth Proportional to 829,220.81, 1,243,692.78 and 230,242.52

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Solution

The fourth proportional to 829,220.81, 1,243,692.78 and 230,242.52 is: 345,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,220.81 : 1,243,692.78 = 230,242.52 : x
  2. Step 2: Convert to fraction form
    829,220.81/1,243,692.78 = 230,242.52/x
  3. Step 3: Cross multiply
    829,220.81x = 1,243,692.78 × 230,242.52
  4. Step 4: Simplify right side
    829,220.81x = 286,350,956,318.17
  5. Step 5: Solve for x
    x = 286,350,956,318.17/829,220.81
  6. Step 6: Final answer
    x = 345,325.34

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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.