Home / 808,207.47-1,212,311.22-358,822.71

Finding the Fourth Proportional to 808,207.47, 1,212,311.22 and 358,822.71

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Solution

The fourth proportional to 808,207.47, 1,212,311.22 and 358,822.71 is: 538,234.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,207.47 : 1,212,311.22 = 358,822.71 : x
  2. Step 2: Convert to fraction form
    808,207.47/1,212,311.22 = 358,822.71/x
  3. Step 3: Cross multiply
    808,207.47x = 1,212,311.22 × 358,822.71
  4. Step 4: Simplify right side
    808,207.47x = 435,004,797,323.81
  5. Step 5: Solve for x
    x = 435,004,797,323.81/808,207.47
  6. Step 6: Final answer
    x = 538,234.07

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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.