Home / 813,159.37-1,122,184.53-450,549.30

Finding the Fourth Proportional to 813,159.37, 1,122,184.53 and 450,549.30

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Solution

The fourth proportional to 813,159.37, 1,122,184.53 and 450,549.30 is: 621,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,159.37 : 1,122,184.53 = 450,549.30 : x
  2. Step 2: Convert to fraction form
    813,159.37/1,122,184.53 = 450,549.30/x
  3. Step 3: Cross multiply
    813,159.37x = 1,122,184.53 × 450,549.30
  4. Step 4: Simplify right side
    813,159.37x = 505,599,454,462.33
  5. Step 5: Solve for x
    x = 505,599,454,462.33/813,159.37
  6. Step 6: Final answer
    x = 621,771.66

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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.