Home / 838,027.69-1,257,053.06-238,988.90

Finding the Fourth Proportional to 838,027.69, 1,257,053.06 and 238,988.90

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Solution

The fourth proportional to 838,027.69, 1,257,053.06 and 238,988.90 is: 358,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,027.69 : 1,257,053.06 = 238,988.90 : x
  2. Step 2: Convert to fraction form
    838,027.69/1,257,053.06 = 238,988.90/x
  3. Step 3: Cross multiply
    838,027.69x = 1,257,053.06 × 238,988.90
  4. Step 4: Simplify right side
    838,027.69x = 300,421,731,791.14
  5. Step 5: Solve for x
    x = 300,421,731,791.14/838,027.69
  6. Step 6: Final answer
    x = 358,486.64

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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.