Home / 718,761.47-1,077,303.84-540,695.93

Finding the Fourth Proportional to 718,761.47, 1,077,303.84 and 540,695.93

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Solution

The fourth proportional to 718,761.47, 1,077,303.84 and 540,695.93 is: 810,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,761.47 : 1,077,303.84 = 540,695.93 : x
  2. Step 2: Convert to fraction form
    718,761.47/1,077,303.84 = 540,695.93/x
  3. Step 3: Cross multiply
    718,761.47x = 1,077,303.84 × 540,695.93
  4. Step 4: Simplify right side
    718,761.47x = 582,493,796,274.85
  5. Step 5: Solve for x
    x = 582,493,796,274.85/718,761.47
  6. Step 6: Final answer
    x = 810,413.22

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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.