Home / 991,684.49-1,486,654.29-393,065.82

Finding the Fourth Proportional to 991,684.49, 1,486,654.29 and 393,065.82

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Solution

The fourth proportional to 991,684.49, 1,486,654.29 and 393,065.82 is: 589,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,684.49 : 1,486,654.29 = 393,065.82 : x
  2. Step 2: Convert to fraction form
    991,684.49/1,486,654.29 = 393,065.82/x
  3. Step 3: Cross multiply
    991,684.49x = 1,486,654.29 × 393,065.82
  4. Step 4: Simplify right side
    991,684.49x = 584,352,987,555.37
  5. Step 5: Solve for x
    x = 584,352,987,555.37/991,684.49
  6. Step 6: Final answer
    x = 589,252.93

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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.