Home / 926,606.68-1,390,808.84-447,171.90

Finding the Fourth Proportional to 926,606.68, 1,390,808.84 and 447,171.90

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Solution

The fourth proportional to 926,606.68, 1,390,808.84 and 447,171.90 is: 671,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,606.68 : 1,390,808.84 = 447,171.90 : x
  2. Step 2: Convert to fraction form
    926,606.68/1,390,808.84 = 447,171.90/x
  3. Step 3: Cross multiply
    926,606.68x = 1,390,808.84 × 447,171.90
  4. Step 4: Simplify right side
    926,606.68x = 621,930,631,519.60
  5. Step 5: Solve for x
    x = 621,930,631,519.60/926,606.68
  6. Step 6: Final answer
    x = 671,191.61

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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.