Home / 916,701.84-1,375,146.72-317,662.56

Finding the Fourth Proportional to 916,701.84, 1,375,146.72 and 317,662.56

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Solution

The fourth proportional to 916,701.84, 1,375,146.72 and 317,662.56 is: 476,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,701.84 : 1,375,146.72 = 317,662.56 : x
  2. Step 2: Convert to fraction form
    916,701.84/1,375,146.72 = 317,662.56/x
  3. Step 3: Cross multiply
    916,701.84x = 1,375,146.72 × 317,662.56
  4. Step 4: Simplify right side
    916,701.84x = 436,832,627,450.80
  5. Step 5: Solve for x
    x = 436,832,627,450.80/916,701.84
  6. Step 6: Final answer
    x = 476,526.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.