Home / 949,871.76-1,310,783.67-520,144.49

Finding the Fourth Proportional to 949,871.76, 1,310,783.67 and 520,144.49

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Solution

The fourth proportional to 949,871.76, 1,310,783.67 and 520,144.49 is: 717,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,871.76 : 1,310,783.67 = 520,144.49 : x
  2. Step 2: Convert to fraction form
    949,871.76/1,310,783.67 = 520,144.49/x
  3. Step 3: Cross multiply
    949,871.76x = 1,310,783.67 × 520,144.49
  4. Step 4: Simplify right side
    949,871.76x = 681,796,903,532.48
  5. Step 5: Solve for x
    x = 681,796,903,532.48/949,871.76
  6. Step 6: Final answer
    x = 717,777.84

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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.