Home / 986,618.47-1,479,938.88-346,941.22

Finding the Fourth Proportional to 986,618.47, 1,479,938.88 and 346,941.22

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Solution

The fourth proportional to 986,618.47, 1,479,938.88 and 346,941.22 is: 520,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,618.47 : 1,479,938.88 = 346,941.22 : x
  2. Step 2: Convert to fraction form
    986,618.47/1,479,938.88 = 346,941.22/x
  3. Step 3: Cross multiply
    986,618.47x = 1,479,938.88 × 346,941.22
  4. Step 4: Simplify right side
    986,618.47x = 513,451,800,552.63
  5. Step 5: Solve for x
    x = 513,451,800,552.63/986,618.47
  6. Step 6: Final answer
    x = 520,415.76

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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.