Home / 739,007.52-1,019,831.22-399,475.50

Finding the Fourth Proportional to 739,007.52, 1,019,831.22 and 399,475.50

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Solution

The fourth proportional to 739,007.52, 1,019,831.22 and 399,475.50 is: 551,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,007.52 : 1,019,831.22 = 399,475.50 : x
  2. Step 2: Convert to fraction form
    739,007.52/1,019,831.22 = 399,475.50/x
  3. Step 3: Cross multiply
    739,007.52x = 1,019,831.22 × 399,475.50
  4. Step 4: Simplify right side
    739,007.52x = 407,397,586,525.11
  5. Step 5: Solve for x
    x = 407,397,586,525.11/739,007.52
  6. Step 6: Final answer
    x = 551,276.65

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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.