Home / 764,981.46-1,147,459.23-266,332.50

Finding the Fourth Proportional to 764,981.46, 1,147,459.23 and 266,332.50

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Solution

The fourth proportional to 764,981.46, 1,147,459.23 and 266,332.50 is: 399,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,981.46 : 1,147,459.23 = 266,332.50 : x
  2. Step 2: Convert to fraction form
    764,981.46/1,147,459.23 = 266,332.50/x
  3. Step 3: Cross multiply
    764,981.46x = 1,147,459.23 × 266,332.50
  4. Step 4: Simplify right side
    764,981.46x = 305,605,685,373.98
  5. Step 5: Solve for x
    x = 305,605,685,373.98/764,981.46
  6. Step 6: Final answer
    x = 399,494.24

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.