Home / 813,495.25-1,122,677.49-450,934.39

Finding the Fourth Proportional to 813,495.25, 1,122,677.49 and 450,934.39

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Solution

The fourth proportional to 813,495.25, 1,122,677.49 and 450,934.39 is: 622,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,495.25 : 1,122,677.49 = 450,934.39 : x
  2. Step 2: Convert to fraction form
    813,495.25/1,122,677.49 = 450,934.39/x
  3. Step 3: Cross multiply
    813,495.25x = 1,122,677.49 × 450,934.39
  4. Step 4: Simplify right side
    813,495.25x = 506,253,889,119.88
  5. Step 5: Solve for x
    x = 506,253,889,119.88/813,495.25
  6. Step 6: Final answer
    x = 622,319.42

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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.