Home / 743,975.64-1,116,107.10-317,505.24

Finding the Fourth Proportional to 743,975.64, 1,116,107.10 and 317,505.24

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Solution

The fourth proportional to 743,975.64, 1,116,107.10 and 317,505.24 is: 476,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,975.64 : 1,116,107.10 = 317,505.24 : x
  2. Step 2: Convert to fraction form
    743,975.64/1,116,107.10 = 317,505.24/x
  3. Step 3: Cross multiply
    743,975.64x = 1,116,107.10 × 317,505.24
  4. Step 4: Simplify right side
    743,975.64x = 354,369,852,651.20
  5. Step 5: Solve for x
    x = 354,369,852,651.20/743,975.64
  6. Step 6: Final answer
    x = 476,319.16

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Double scale
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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.