Home / 764,726.62-1,055,454.86-442,614.32

Finding the Fourth Proportional to 764,726.62, 1,055,454.86 and 442,614.32

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Solution

The fourth proportional to 764,726.62, 1,055,454.86 and 442,614.32 is: 610,884.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,726.62 : 1,055,454.86 = 442,614.32 : x
  2. Step 2: Convert to fraction form
    764,726.62/1,055,454.86 = 442,614.32/x
  3. Step 3: Cross multiply
    764,726.62x = 1,055,454.86 × 442,614.32
  4. Step 4: Simplify right side
    764,726.62x = 467,159,438,384.04
  5. Step 5: Solve for x
    x = 467,159,438,384.04/764,726.62
  6. Step 6: Final answer
    x = 610,884.24

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1.5x scale

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.