Home / 806,339.19-1,209,220.62-266,495.58

Finding the Fourth Proportional to 806,339.19, 1,209,220.62 and 266,495.58

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Solution

The fourth proportional to 806,339.19, 1,209,220.62 and 266,495.58 is: 399,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,339.19 : 1,209,220.62 = 266,495.58 : x
  2. Step 2: Convert to fraction form
    806,339.19/1,209,220.62 = 266,495.58/x
  3. Step 3: Cross multiply
    806,339.19x = 1,209,220.62 × 266,495.58
  4. Step 4: Simplify right side
    806,339.19x = 322,251,950,474.86
  5. Step 5: Solve for x
    x = 322,251,950,474.86/806,339.19
  6. Step 6: Final answer
    x = 399,648.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.