Home / 729,833.49-1,007,168.18-407,543.81

Finding the Fourth Proportional to 729,833.49, 1,007,168.18 and 407,543.81

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Solution

The fourth proportional to 729,833.49, 1,007,168.18 and 407,543.81 is: 562,409.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,833.49 : 1,007,168.18 = 407,543.81 : x
  2. Step 2: Convert to fraction form
    729,833.49/1,007,168.18 = 407,543.81/x
  3. Step 3: Cross multiply
    729,833.49x = 1,007,168.18 × 407,543.81
  4. Step 4: Simplify right side
    729,833.49x = 410,465,150,314.41
  5. Step 5: Solve for x
    x = 410,465,150,314.41/729,833.49
  6. Step 6: Final answer
    x = 562,409.31

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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.