Home / 764,718.12-1,055,362.59-506,149.65

Finding the Fourth Proportional to 764,718.12, 1,055,362.59 and 506,149.65

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Solution

The fourth proportional to 764,718.12, 1,055,362.59 and 506,149.65 is: 698,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,718.12 : 1,055,362.59 = 506,149.65 : x
  2. Step 2: Convert to fraction form
    764,718.12/1,055,362.59 = 506,149.65/x
  3. Step 3: Cross multiply
    764,718.12x = 1,055,362.59 × 506,149.65
  4. Step 4: Simplify right side
    764,718.12x = 534,171,405,551.59
  5. Step 5: Solve for x
    x = 534,171,405,551.59/764,718.12
  6. Step 6: Final answer
    x = 698,520.66

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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.