Home / 726,962.20-1,003,302-416,985.72

Finding the Fourth Proportional to 726,962.20, 1,003,302 and 416,985.72

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Solution

The fourth proportional to 726,962.20, 1,003,302 and 416,985.72 is: 575,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,962.20 : 1,003,302 = 416,985.72 : x
  2. Step 2: Convert to fraction form
    726,962.20/1,003,302 = 416,985.72/x
  3. Step 3: Cross multiply
    726,962.20x = 1,003,302 × 416,985.72
  4. Step 4: Simplify right side
    726,962.20x = 418,362,606,847.44
  5. Step 5: Solve for x
    x = 418,362,606,847.44/726,962.20
  6. Step 6: Final answer
    x = 575,494.31

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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.