Home / 729,664.63-1,006,870.92-407,315.41

Finding the Fourth Proportional to 729,664.63, 1,006,870.92 and 407,315.41

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Solution

The fourth proportional to 729,664.63, 1,006,870.92 and 407,315.41 is: 562,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,664.63 : 1,006,870.92 = 407,315.41 : x
  2. Step 2: Convert to fraction form
    729,664.63/1,006,870.92 = 407,315.41/x
  3. Step 3: Cross multiply
    729,664.63x = 1,006,870.92 × 407,315.41
  4. Step 4: Simplify right side
    729,664.63x = 410,114,034,525.95
  5. Step 5: Solve for x
    x = 410,114,034,525.95/729,664.63
  6. Step 6: Final answer
    x = 562,058.27

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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.