Home / 729,900.48-1,007,252.64-407,615.52

Finding the Fourth Proportional to 729,900.48, 1,007,252.64 and 407,615.52

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Solution

The fourth proportional to 729,900.48, 1,007,252.64 and 407,615.52 is: 562,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,900.48 : 1,007,252.64 = 407,615.52 : x
  2. Step 2: Convert to fraction form
    729,900.48/1,007,252.64 = 407,615.52/x
  3. Step 3: Cross multiply
    729,900.48x = 1,007,252.64 × 407,615.52
  4. Step 4: Simplify right side
    729,900.48x = 410,571,808,624.97
  5. Step 5: Solve for x
    x = 410,571,808,624.97/729,900.48
  6. Step 6: Final answer
    x = 562,503.82

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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.