Home / 813,046.64-1,122,013.28-450,476.17

Finding the Fourth Proportional to 813,046.64, 1,122,013.28 and 450,476.17

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Solution

The fourth proportional to 813,046.64, 1,122,013.28 and 450,476.17 is: 621,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,046.64 : 1,122,013.28 = 450,476.17 : x
  2. Step 2: Convert to fraction form
    813,046.64/1,122,013.28 = 450,476.17/x
  3. Step 3: Cross multiply
    813,046.64x = 1,122,013.28 × 450,476.17
  4. Step 4: Simplify right side
    813,046.64x = 505,440,243,384.70
  5. Step 5: Solve for x
    x = 505,440,243,384.70/813,046.64
  6. Step 6: Final answer
    x = 621,662.06

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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.