Home / 790,381.44-1,090,733.76-450,869.76

Finding the Fourth Proportional to 790,381.44, 1,090,733.76 and 450,869.76

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Solution

The fourth proportional to 790,381.44, 1,090,733.76 and 450,869.76 is: 622,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,381.44 : 1,090,733.76 = 450,869.76 : x
  2. Step 2: Convert to fraction form
    790,381.44/1,090,733.76 = 450,869.76/x
  3. Step 3: Cross multiply
    790,381.44x = 1,090,733.76 × 450,869.76
  4. Step 4: Simplify right side
    790,381.44x = 491,778,868,595.10
  5. Step 5: Solve for x
    x = 491,778,868,595.10/790,381.44
  6. Step 6: Final answer
    x = 622,204.47

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1.5x scale

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.