Home / 889,315.17-1,333,773.09-409,081.74

Finding the Fourth Proportional to 889,315.17, 1,333,773.09 and 409,081.74

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Solution

The fourth proportional to 889,315.17, 1,333,773.09 and 409,081.74 is: 613,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,315.17 : 1,333,773.09 = 409,081.74 : x
  2. Step 2: Convert to fraction form
    889,315.17/1,333,773.09 = 409,081.74/x
  3. Step 3: Cross multiply
    889,315.17x = 1,333,773.09 × 409,081.74
  4. Step 4: Simplify right side
    889,315.17x = 545,622,216,422.38
  5. Step 5: Solve for x
    x = 545,622,216,422.38/889,315.17
  6. Step 6: Final answer
    x = 613,530.76

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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.