Home / 688,177.55-1,032,276.71-238,912.69

Finding the Fourth Proportional to 688,177.55, 1,032,276.71 and 238,912.69

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Solution

The fourth proportional to 688,177.55, 1,032,276.71 and 238,912.69 is: 358,372.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,177.55 : 1,032,276.71 = 238,912.69 : x
  2. Step 2: Convert to fraction form
    688,177.55/1,032,276.71 = 238,912.69/x
  3. Step 3: Cross multiply
    688,177.55x = 1,032,276.71 × 238,912.69
  4. Step 4: Simplify right side
    688,177.55x = 246,624,004,218.68
  5. Step 5: Solve for x
    x = 246,624,004,218.68/688,177.55
  6. Step 6: Final answer
    x = 358,372.64

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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.