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Finding the Fourth Proportional to 611,671.50, 844,172.82 and 370,087.28

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Solution

The fourth proportional to 611,671.50, 844,172.82 and 370,087.28 is: 510,760.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,671.50 : 844,172.82 = 370,087.28 : x
  2. Step 2: Convert to fraction form
    611,671.50/844,172.82 = 370,087.28/x
  3. Step 3: Cross multiply
    611,671.50x = 844,172.82 × 370,087.28
  4. Step 4: Simplify right side
    611,671.50x = 312,417,618,582.87
  5. Step 5: Solve for x
    x = 312,417,618,582.87/611,671.50
  6. Step 6: Final answer
    x = 510,760.46

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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.