Home / 838,013.23-1,257,026.23-238,973.89

Finding the Fourth Proportional to 838,013.23, 1,257,026.23 and 238,973.89

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Solution

The fourth proportional to 838,013.23, 1,257,026.23 and 238,973.89 is: 358,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,013.23 : 1,257,026.23 = 238,973.89 : x
  2. Step 2: Convert to fraction form
    838,013.23/1,257,026.23 = 238,973.89/x
  3. Step 3: Cross multiply
    838,013.23x = 1,257,026.23 × 238,973.89
  4. Step 4: Simplify right side
    838,013.23x = 300,396,441,132.57
  5. Step 5: Solve for x
    x = 300,396,441,132.57/838,013.23
  6. Step 6: Final answer
    x = 358,462.65

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1.5x scale

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.