Home / 709,546.80-1,064,320.20-210,910.80

Finding the Fourth Proportional to 709,546.80, 1,064,320.20 and 210,910.80

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Solution

The fourth proportional to 709,546.80, 1,064,320.20 and 210,910.80 is: 316,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,546.80 : 1,064,320.20 = 210,910.80 : x
  2. Step 2: Convert to fraction form
    709,546.80/1,064,320.20 = 210,910.80/x
  3. Step 3: Cross multiply
    709,546.80x = 1,064,320.20 × 210,910.80
  4. Step 4: Simplify right side
    709,546.80x = 224,476,624,838.16
  5. Step 5: Solve for x
    x = 224,476,624,838.16/709,546.80
  6. Step 6: Final answer
    x = 316,366.20

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Similar ratio
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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.