Home / 922,744.44-1,273,387.50-520,336.44

Finding the Fourth Proportional to 922,744.44, 1,273,387.50 and 520,336.44

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Solution

The fourth proportional to 922,744.44, 1,273,387.50 and 520,336.44 is: 718,064.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,744.44 : 1,273,387.50 = 520,336.44 : x
  2. Step 2: Convert to fraction form
    922,744.44/1,273,387.50 = 520,336.44/x
  3. Step 3: Cross multiply
    922,744.44x = 1,273,387.50 × 520,336.44
  4. Step 4: Simplify right side
    922,744.44x = 662,589,918,490.50
  5. Step 5: Solve for x
    x = 662,589,918,490.50/922,744.44
  6. Step 6: Final answer
    x = 718,064.38

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Double scale
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Similar ratio
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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.