Home / 709,408.80-1,064,113.20-210,772.80

Finding the Fourth Proportional to 709,408.80, 1,064,113.20 and 210,772.80

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Solution

The fourth proportional to 709,408.80, 1,064,113.20 and 210,772.80 is: 316,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,408.80 : 1,064,113.20 = 210,772.80 : x
  2. Step 2: Convert to fraction form
    709,408.80/1,064,113.20 = 210,772.80/x
  3. Step 3: Cross multiply
    709,408.80x = 1,064,113.20 × 210,772.80
  4. Step 4: Simplify right side
    709,408.80x = 224,286,118,680.96
  5. Step 5: Solve for x
    x = 224,286,118,680.96/709,408.80
  6. Step 6: Final answer
    x = 316,159.20

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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.