Home / 838,007.10-1,257,017.03-238,967.75

Finding the Fourth Proportional to 838,007.10, 1,257,017.03 and 238,967.75

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Solution

The fourth proportional to 838,007.10, 1,257,017.03 and 238,967.75 is: 358,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,007.10 : 1,257,017.03 = 238,967.75 : x
  2. Step 2: Convert to fraction form
    838,007.10/1,257,017.03 = 238,967.75/x
  3. Step 3: Cross multiply
    838,007.10x = 1,257,017.03 × 238,967.75
  4. Step 4: Simplify right side
    838,007.10x = 300,386,523,890.86
  5. Step 5: Solve for x
    x = 300,386,523,890.86/838,007.10
  6. Step 6: Final answer
    x = 358,453.44

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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.