Home / 989,776.40-1,365,893.70-537,067.40

Finding the Fourth Proportional to 989,776.40, 1,365,893.70 and 537,067.40

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Solution

The fourth proportional to 989,776.40, 1,365,893.70 and 537,067.40 is: 741,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,776.40 : 1,365,893.70 = 537,067.40 : x
  2. Step 2: Convert to fraction form
    989,776.40/1,365,893.70 = 537,067.40/x
  3. Step 3: Cross multiply
    989,776.40x = 1,365,893.70 × 537,067.40
  4. Step 4: Simplify right side
    989,776.40x = 733,576,978,135.38
  5. Step 5: Solve for x
    x = 733,576,978,135.38/989,776.40
  6. Step 6: Final answer
    x = 741,154.24

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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.