Home / 985,569.19-1,478,513.72-386,205.44

Finding the Fourth Proportional to 985,569.19, 1,478,513.72 and 386,205.44

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Solution

The fourth proportional to 985,569.19, 1,478,513.72 and 386,205.44 is: 579,370.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,569.19 : 1,478,513.72 = 386,205.44 : x
  2. Step 2: Convert to fraction form
    985,569.19/1,478,513.72 = 386,205.44/x
  3. Step 3: Cross multiply
    985,569.19x = 1,478,513.72 × 386,205.44
  4. Step 4: Simplify right side
    985,569.19x = 571,010,035,351.58
  5. Step 5: Solve for x
    x = 571,010,035,351.58/985,569.19
  6. Step 6: Final answer
    x = 579,370.83

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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.