Home / 856,817.03-1,182,400.16-469,653.95

Finding the Fourth Proportional to 856,817.03, 1,182,400.16 and 469,653.95

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Solution

The fourth proportional to 856,817.03, 1,182,400.16 and 469,653.95 is: 648,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,817.03 : 1,182,400.16 = 469,653.95 : x
  2. Step 2: Convert to fraction form
    856,817.03/1,182,400.16 = 469,653.95/x
  3. Step 3: Cross multiply
    856,817.03x = 1,182,400.16 × 469,653.95
  4. Step 4: Simplify right side
    856,817.03x = 555,318,906,232.36
  5. Step 5: Solve for x
    x = 555,318,906,232.36/856,817.03
  6. Step 6: Final answer
    x = 648,118.43

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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.