Home / 764,807.86-1,055,566.95-442,695.56

Finding the Fourth Proportional to 764,807.86, 1,055,566.95 and 442,695.56

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Solution

The fourth proportional to 764,807.86, 1,055,566.95 and 442,695.56 is: 610,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,807.86 : 1,055,566.95 = 442,695.56 : x
  2. Step 2: Convert to fraction form
    764,807.86/1,055,566.95 = 442,695.56/x
  3. Step 3: Cross multiply
    764,807.86x = 1,055,566.95 × 442,695.56
  4. Step 4: Simplify right side
    764,807.86x = 467,294,804,686.66
  5. Step 5: Solve for x
    x = 467,294,804,686.66/764,807.86
  6. Step 6: Final answer
    x = 610,996.34

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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.