Home / 765,267.81-1,147,140.03-365,441.16

Finding the Fourth Proportional to 765,267.81, 1,147,140.03 and 365,441.16

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Solution

The fourth proportional to 765,267.81, 1,147,140.03 and 365,441.16 is: 547,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,267.81 : 1,147,140.03 = 365,441.16 : x
  2. Step 2: Convert to fraction form
    765,267.81/1,147,140.03 = 365,441.16/x
  3. Step 3: Cross multiply
    765,267.81x = 1,147,140.03 × 365,441.16
  4. Step 4: Simplify right side
    765,267.81x = 419,212,183,245.64
  5. Step 5: Solve for x
    x = 419,212,183,245.64/765,267.81
  6. Step 6: Final answer
    x = 547,798.01

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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.