Home / 764,024.90-1,145,200.35-384,340.10

Finding the Fourth Proportional to 764,024.90, 1,145,200.35 and 384,340.10

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Solution

The fourth proportional to 764,024.90, 1,145,200.35 and 384,340.10 is: 576,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,024.90 : 1,145,200.35 = 384,340.10 : x
  2. Step 2: Convert to fraction form
    764,024.90/1,145,200.35 = 384,340.10/x
  3. Step 3: Cross multiply
    764,024.90x = 1,145,200.35 × 384,340.10
  4. Step 4: Simplify right side
    764,024.90x = 440,146,417,039.04
  5. Step 5: Solve for x
    x = 440,146,417,039.04/764,024.90
  6. Step 6: Final answer
    x = 576,089.10

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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.