Home / 729,911.61-1,007,293.14-407,622.02

Finding the Fourth Proportional to 729,911.61, 1,007,293.14 and 407,622.02

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Solution

The fourth proportional to 729,911.61, 1,007,293.14 and 407,622.02 is: 562,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,911.61 : 1,007,293.14 = 407,622.02 : x
  2. Step 2: Convert to fraction form
    729,911.61/1,007,293.14 = 407,622.02/x
  3. Step 3: Cross multiply
    729,911.61x = 1,007,293.14 × 407,622.02
  4. Step 4: Simplify right side
    729,911.61x = 410,594,859,422.48
  5. Step 5: Solve for x
    x = 410,594,859,422.48/729,911.61
  6. Step 6: Final answer
    x = 562,526.82

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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.