Home / 688,176.89-1,032,275.72-238,912.04

Finding the Fourth Proportional to 688,176.89, 1,032,275.72 and 238,912.04

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Solution

The fourth proportional to 688,176.89, 1,032,275.72 and 238,912.04 is: 358,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,176.89 : 1,032,275.72 = 238,912.04 : x
  2. Step 2: Convert to fraction form
    688,176.89/1,032,275.72 = 238,912.04/x
  3. Step 3: Cross multiply
    688,176.89x = 1,032,275.72 × 238,912.04
  4. Step 4: Simplify right side
    688,176.89x = 246,623,099,493.80
  5. Step 5: Solve for x
    x = 246,623,099,493.80/688,176.89
  6. Step 6: Final answer
    x = 358,371.67

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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.