Home / 513,567.76-769,934.28-214,271.32

Finding the Fourth Proportional to 513,567.76, 769,934.28 and 214,271.32

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Solution

The fourth proportional to 513,567.76, 769,934.28 and 214,271.32 is: 321,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,567.76 : 769,934.28 = 214,271.32 : x
  2. Step 2: Convert to fraction form
    513,567.76/769,934.28 = 214,271.32/x
  3. Step 3: Cross multiply
    513,567.76x = 769,934.28 × 214,271.32
  4. Step 4: Simplify right side
    513,567.76x = 164,974,834,488.85
  5. Step 5: Solve for x
    x = 164,974,834,488.85/513,567.76
  6. Step 6: Final answer
    x = 321,232.85

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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.