Home / 949,358.45-1,310,118.83-513,775.86

Finding the Fourth Proportional to 949,358.45, 1,310,118.83 and 513,775.86

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Solution

The fourth proportional to 949,358.45, 1,310,118.83 and 513,775.86 is: 709,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,358.45 : 1,310,118.83 = 513,775.86 : x
  2. Step 2: Convert to fraction form
    949,358.45/1,310,118.83 = 513,775.86/x
  3. Step 3: Cross multiply
    949,358.45x = 1,310,118.83 × 513,775.86
  4. Step 4: Simplify right side
    949,358.45x = 673,107,429,869.88
  5. Step 5: Solve for x
    x = 673,107,429,869.88/949,358.45
  6. Step 6: Final answer
    x = 709,012.94

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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.