Home / 839,488.76-1,259,233.09-208,402.57

Finding the Fourth Proportional to 839,488.76, 1,259,233.09 and 208,402.57

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Solution

The fourth proportional to 839,488.76, 1,259,233.09 and 208,402.57 is: 312,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,488.76 : 1,259,233.09 = 208,402.57 : x
  2. Step 2: Convert to fraction form
    839,488.76/1,259,233.09 = 208,402.57/x
  3. Step 3: Cross multiply
    839,488.76x = 1,259,233.09 × 208,402.57
  4. Step 4: Simplify right side
    839,488.76x = 262,427,413,238.08
  5. Step 5: Solve for x
    x = 262,427,413,238.08/839,488.76
  6. Step 6: Final answer
    x = 312,603.84

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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.