Home / 612,811.94-845,335.11-367,733.30

Finding the Fourth Proportional to 612,811.94, 845,335.11 and 367,733.30

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Solution

The fourth proportional to 612,811.94, 845,335.11 and 367,733.30 is: 507,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,811.94 : 845,335.11 = 367,733.30 : x
  2. Step 2: Convert to fraction form
    612,811.94/845,335.11 = 367,733.30/x
  3. Step 3: Cross multiply
    612,811.94x = 845,335.11 × 367,733.30
  4. Step 4: Simplify right side
    612,811.94x = 310,857,869,606.16
  5. Step 5: Solve for x
    x = 310,857,869,606.16/612,811.94
  6. Step 6: Final answer
    x = 507,264.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.