Home / 770,161.67-1,062,469.51-498,318.18

Finding the Fourth Proportional to 770,161.67, 1,062,469.51 and 498,318.18

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Solution

The fourth proportional to 770,161.67, 1,062,469.51 and 498,318.18 is: 687,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,161.67 : 1,062,469.51 = 498,318.18 : x
  2. Step 2: Convert to fraction form
    770,161.67/1,062,469.51 = 498,318.18/x
  3. Step 3: Cross multiply
    770,161.67x = 1,062,469.51 × 498,318.18
  4. Step 4: Simplify right side
    770,161.67x = 529,447,867,298.64
  5. Step 5: Solve for x
    x = 529,447,867,298.64/770,161.67
  6. Step 6: Final answer
    x = 687,450.30

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Double scale
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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.