Home / 725,083.08-1,000,643.02-496,120.58

Finding the Fourth Proportional to 725,083.08, 1,000,643.02 and 496,120.58

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Solution

The fourth proportional to 725,083.08, 1,000,643.02 and 496,120.58 is: 684,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,083.08 : 1,000,643.02 = 496,120.58 : x
  2. Step 2: Convert to fraction form
    725,083.08/1,000,643.02 = 496,120.58/x
  3. Step 3: Cross multiply
    725,083.08x = 1,000,643.02 × 496,120.58
  4. Step 4: Simplify right side
    725,083.08x = 496,439,592,964.25
  5. Step 5: Solve for x
    x = 496,439,592,964.25/725,083.08
  6. Step 6: Final answer
    x = 684,665.81

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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.