Home / 743,994.64-1,116,135.60-317,524.24

Finding the Fourth Proportional to 743,994.64, 1,116,135.60 and 317,524.24

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Solution

The fourth proportional to 743,994.64, 1,116,135.60 and 317,524.24 is: 476,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,994.64 : 1,116,135.60 = 317,524.24 : x
  2. Step 2: Convert to fraction form
    743,994.64/1,116,135.60 = 317,524.24/x
  3. Step 3: Cross multiply
    743,994.64x = 1,116,135.60 × 317,524.24
  4. Step 4: Simplify right side
    743,994.64x = 354,400,108,126.94
  5. Step 5: Solve for x
    x = 354,400,108,126.94/743,994.64
  6. Step 6: Final answer
    x = 476,347.66

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.