Home / 985,614.44-1,478,433.40-386,857.58

Finding the Fourth Proportional to 985,614.44, 1,478,433.40 and 386,857.58

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Solution

The fourth proportional to 985,614.44, 1,478,433.40 and 386,857.58 is: 580,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,614.44 : 1,478,433.40 = 386,857.58 : x
  2. Step 2: Convert to fraction form
    985,614.44/1,478,433.40 = 386,857.58/x
  3. Step 3: Cross multiply
    985,614.44x = 1,478,433.40 × 386,857.58
  4. Step 4: Simplify right side
    985,614.44x = 571,943,158,955.86
  5. Step 5: Solve for x
    x = 571,943,158,955.86/985,614.44
  6. Step 6: Final answer
    x = 580,290.97

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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.