Home / 949,850.76-1,310,794.02-520,157.16

Finding the Fourth Proportional to 949,850.76, 1,310,794.02 and 520,157.16

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Solution

The fourth proportional to 949,850.76, 1,310,794.02 and 520,157.16 is: 717,816.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,850.76 : 1,310,794.02 = 520,157.16 : x
  2. Step 2: Convert to fraction form
    949,850.76/1,310,794.02 = 520,157.16/x
  3. Step 3: Cross multiply
    949,850.76x = 1,310,794.02 × 520,157.16
  4. Step 4: Simplify right side
    949,850.76x = 681,818,894,788.18
  5. Step 5: Solve for x
    x = 681,818,894,788.18/949,850.76
  6. Step 6: Final answer
    x = 717,816.87

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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.