Home / 769,775.12-1,155,709.84-433,052.76

Finding the Fourth Proportional to 769,775.12, 1,155,709.84 and 433,052.76

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Solution

The fourth proportional to 769,775.12, 1,155,709.84 and 433,052.76 is: 650,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,775.12 : 1,155,709.84 = 433,052.76 : x
  2. Step 2: Convert to fraction form
    769,775.12/1,155,709.84 = 433,052.76/x
  3. Step 3: Cross multiply
    769,775.12x = 1,155,709.84 × 433,052.76
  4. Step 4: Simplify right side
    769,775.12x = 500,483,335,971.16
  5. Step 5: Solve for x
    x = 500,483,335,971.16/769,775.12
  6. Step 6: Final answer
    x = 650,168.24

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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.