Home / 949,753.05-1,310,659.53-520,060.40

Finding the Fourth Proportional to 949,753.05, 1,310,659.53 and 520,060.40

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Solution

The fourth proportional to 949,753.05, 1,310,659.53 and 520,060.40 is: 717,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,753.05 : 1,310,659.53 = 520,060.40 : x
  2. Step 2: Convert to fraction form
    949,753.05/1,310,659.53 = 520,060.40/x
  3. Step 3: Cross multiply
    949,753.05x = 1,310,659.53 × 520,060.40
  4. Step 4: Simplify right side
    949,753.05x = 681,622,118,772.40
  5. Step 5: Solve for x
    x = 681,622,118,772.40/949,753.05
  6. Step 6: Final answer
    x = 717,683.53

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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.