Home / 729,551.61-1,006,764.49-407,291.69

Finding the Fourth Proportional to 729,551.61, 1,006,764.49 and 407,291.69

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Solution

The fourth proportional to 729,551.61, 1,006,764.49 and 407,291.69 is: 562,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,551.61 : 1,006,764.49 = 407,291.69 : x
  2. Step 2: Convert to fraction form
    729,551.61/1,006,764.49 = 407,291.69/x
  3. Step 3: Cross multiply
    729,551.61x = 1,006,764.49 × 407,291.69
  4. Step 4: Simplify right side
    729,551.61x = 410,046,813,590.11
  5. Step 5: Solve for x
    x = 410,046,813,590.11/729,551.61
  6. Step 6: Final answer
    x = 562,053.20

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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.