Home / 756,693.72-1,043,646.85-484,786.92

Finding the Fourth Proportional to 756,693.72, 1,043,646.85 and 484,786.92

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Solution

The fourth proportional to 756,693.72, 1,043,646.85 and 484,786.92 is: 668,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,693.72 : 1,043,646.85 = 484,786.92 : x
  2. Step 2: Convert to fraction form
    756,693.72/1,043,646.85 = 484,786.92/x
  3. Step 3: Cross multiply
    756,693.72x = 1,043,646.85 × 484,786.92
  4. Step 4: Simplify right side
    756,693.72x = 505,946,341,979.20
  5. Step 5: Solve for x
    x = 505,946,341,979.20/756,693.72
  6. Step 6: Final answer
    x = 668,627.65

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Double scale
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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.