Home / 949,813.86-1,310,742.36-520,102.38

Finding the Fourth Proportional to 949,813.86, 1,310,742.36 and 520,102.38

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Solution

The fourth proportional to 949,813.86, 1,310,742.36 and 520,102.38 is: 717,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,813.86 : 1,310,742.36 = 520,102.38 : x
  2. Step 2: Convert to fraction form
    949,813.86/1,310,742.36 = 520,102.38/x
  3. Step 3: Cross multiply
    949,813.86x = 1,310,742.36 × 520,102.38
  4. Step 4: Simplify right side
    949,813.86x = 681,720,221,002.82
  5. Step 5: Solve for x
    x = 681,720,221,002.82/949,813.86
  6. Step 6: Final answer
    x = 717,740.86

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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.