Home / 764,616.65-1,055,055.33-437,878.85

Finding the Fourth Proportional to 764,616.65, 1,055,055.33 and 437,878.85

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Solution

The fourth proportional to 764,616.65, 1,055,055.33 and 437,878.85 is: 604,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,616.65 : 1,055,055.33 = 437,878.85 : x
  2. Step 2: Convert to fraction form
    764,616.65/1,055,055.33 = 437,878.85/x
  3. Step 3: Cross multiply
    764,616.65x = 1,055,055.33 × 437,878.85
  4. Step 4: Simplify right side
    764,616.65x = 461,986,409,311.49
  5. Step 5: Solve for x
    x = 461,986,409,311.49/764,616.65
  6. Step 6: Final answer
    x = 604,206.58

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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.