Home / 729,375.84-1,006,525.44-407,080.08

Finding the Fourth Proportional to 729,375.84, 1,006,525.44 and 407,080.08

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Solution

The fourth proportional to 729,375.84, 1,006,525.44 and 407,080.08 is: 561,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,375.84 : 1,006,525.44 = 407,080.08 : x
  2. Step 2: Convert to fraction form
    729,375.84/1,006,525.44 = 407,080.08/x
  3. Step 3: Cross multiply
    729,375.84x = 1,006,525.44 × 407,080.08
  4. Step 4: Simplify right side
    729,375.84x = 409,736,456,637.24
  5. Step 5: Solve for x
    x = 409,736,456,637.24/729,375.84
  6. Step 6: Final answer
    x = 561,763.13

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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.