Home / 757,664.82-1,045,247.04-499,210.11

Finding the Fourth Proportional to 757,664.82, 1,045,247.04 and 499,210.11

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Solution

The fourth proportional to 757,664.82, 1,045,247.04 and 499,210.11 is: 688,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,664.82 : 1,045,247.04 = 499,210.11 : x
  2. Step 2: Convert to fraction form
    757,664.82/1,045,247.04 = 499,210.11/x
  3. Step 3: Cross multiply
    757,664.82x = 1,045,247.04 × 499,210.11
  4. Step 4: Simplify right side
    757,664.82x = 521,797,889,815.57
  5. Step 5: Solve for x
    x = 521,797,889,815.57/757,664.82
  6. Step 6: Final answer
    x = 688,692.25

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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.