Home / 810,322.65-1,118,257.11-447,754.91

Finding the Fourth Proportional to 810,322.65, 1,118,257.11 and 447,754.91

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Solution

The fourth proportional to 810,322.65, 1,118,257.11 and 447,754.91 is: 617,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,322.65 : 1,118,257.11 = 447,754.91 : x
  2. Step 2: Convert to fraction form
    810,322.65/1,118,257.11 = 447,754.91/x
  3. Step 3: Cross multiply
    810,322.65x = 1,118,257.11 × 447,754.91
  4. Step 4: Simplify right side
    810,322.65x = 500,705,106,053.63
  5. Step 5: Solve for x
    x = 500,705,106,053.63/810,322.65
  6. Step 6: Final answer
    x = 617,908.32

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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.