Home / 949,902.60-1,310,820.36-520,185.06

Finding the Fourth Proportional to 949,902.60, 1,310,820.36 and 520,185.06

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Solution

The fourth proportional to 949,902.60, 1,310,820.36 and 520,185.06 is: 717,830.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,902.60 : 1,310,820.36 = 520,185.06 : x
  2. Step 2: Convert to fraction form
    949,902.60/1,310,820.36 = 520,185.06/x
  3. Step 3: Cross multiply
    949,902.60x = 1,310,820.36 × 520,185.06
  4. Step 4: Simplify right side
    949,902.60x = 681,869,167,615.82
  5. Step 5: Solve for x
    x = 681,869,167,615.82/949,902.60
  6. Step 6: Final answer
    x = 717,830.62

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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.