Home / 926,651.88-1,390,876.62-447,217.08

Finding the Fourth Proportional to 926,651.88, 1,390,876.62 and 447,217.08

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Solution

The fourth proportional to 926,651.88, 1,390,876.62 and 447,217.08 is: 671,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,651.88 : 1,390,876.62 = 447,217.08 : x
  2. Step 2: Convert to fraction form
    926,651.88/1,390,876.62 = 447,217.08/x
  3. Step 3: Cross multiply
    926,651.88x = 1,390,876.62 × 447,217.08
  4. Step 4: Simplify right side
    926,651.88x = 622,023,780,636.67
  5. Step 5: Solve for x
    x = 622,023,780,636.67/926,651.88
  6. Step 6: Final answer
    x = 671,259.40

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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.