Home / 743,977.14-1,116,109.35-317,506.74

Finding the Fourth Proportional to 743,977.14, 1,116,109.35 and 317,506.74

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Solution

The fourth proportional to 743,977.14, 1,116,109.35 and 317,506.74 is: 476,321.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,977.14 : 1,116,109.35 = 317,506.74 : x
  2. Step 2: Convert to fraction form
    743,977.14/1,116,109.35 = 317,506.74/x
  3. Step 3: Cross multiply
    743,977.14x = 1,116,109.35 × 317,506.74
  4. Step 4: Simplify right side
    743,977.14x = 354,372,241,202.02
  5. Step 5: Solve for x
    x = 354,372,241,202.02/743,977.14
  6. Step 6: Final answer
    x = 476,321.41

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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.