Home / 691,035.84-1,036,636.83-653,244.48

Finding the Fourth Proportional to 691,035.84, 1,036,636.83 and 653,244.48

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Solution

The fourth proportional to 691,035.84, 1,036,636.83 and 653,244.48 is: 979,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,035.84 : 1,036,636.83 = 653,244.48 : x
  2. Step 2: Convert to fraction form
    691,035.84/1,036,636.83 = 653,244.48/x
  3. Step 3: Cross multiply
    691,035.84x = 1,036,636.83 × 653,244.48
  4. Step 4: Simplify right side
    691,035.84x = 677,177,286,962.20
  5. Step 5: Solve for x
    x = 677,177,286,962.20/691,035.84
  6. Step 6: Final answer
    x = 979,945.25

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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.