Home / 993,539.91-1,371,118.14-558,033.87

Finding the Fourth Proportional to 993,539.91, 1,371,118.14 and 558,033.87

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Solution

The fourth proportional to 993,539.91, 1,371,118.14 and 558,033.87 is: 770,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,539.91 : 1,371,118.14 = 558,033.87 : x
  2. Step 2: Convert to fraction form
    993,539.91/1,371,118.14 = 558,033.87/x
  3. Step 3: Cross multiply
    993,539.91x = 1,371,118.14 × 558,033.87
  4. Step 4: Simplify right side
    993,539.91x = 765,130,361,891.40
  5. Step 5: Solve for x
    x = 765,130,361,891.40/993,539.91
  6. Step 6: Final answer
    x = 770,105.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.