Home / 803,477.25-1,108,797.91-440,923.88

Finding the Fourth Proportional to 803,477.25, 1,108,797.91 and 440,923.88

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Solution

The fourth proportional to 803,477.25, 1,108,797.91 and 440,923.88 is: 608,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,477.25 : 1,108,797.91 = 440,923.88 : x
  2. Step 2: Convert to fraction form
    803,477.25/1,108,797.91 = 440,923.88/x
  3. Step 3: Cross multiply
    803,477.25x = 1,108,797.91 × 440,923.88
  4. Step 4: Simplify right side
    803,477.25x = 488,895,471,069.10
  5. Step 5: Solve for x
    x = 488,895,471,069.10/803,477.25
  6. Step 6: Final answer
    x = 608,474.57

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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.