Home / 688,008.80-1,032,013.20-214,632.65

Finding the Fourth Proportional to 688,008.80, 1,032,013.20 and 214,632.65

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Solution

The fourth proportional to 688,008.80, 1,032,013.20 and 214,632.65 is: 321,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,008.80 : 1,032,013.20 = 214,632.65 : x
  2. Step 2: Convert to fraction form
    688,008.80/1,032,013.20 = 214,632.65/x
  3. Step 3: Cross multiply
    688,008.80x = 1,032,013.20 × 214,632.65
  4. Step 4: Simplify right side
    688,008.80x = 221,503,727,950.98
  5. Step 5: Solve for x
    x = 221,503,727,950.98/688,008.80
  6. Step 6: Final answer
    x = 321,948.98

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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.