Home / 810,488.37-1,118,477.43-442,972.91

Finding the Fourth Proportional to 810,488.37, 1,118,477.43 and 442,972.91

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Solution

The fourth proportional to 810,488.37, 1,118,477.43 and 442,972.91 is: 611,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,488.37 : 1,118,477.43 = 442,972.91 : x
  2. Step 2: Convert to fraction form
    810,488.37/1,118,477.43 = 442,972.91/x
  3. Step 3: Cross multiply
    810,488.37x = 1,118,477.43 × 442,972.91
  4. Step 4: Simplify right side
    810,488.37x = 495,455,204,732.62
  5. Step 5: Solve for x
    x = 495,455,204,732.62/810,488.37
  6. Step 6: Final answer
    x = 611,304.52

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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.