Home / 690,897.33-1,036,345.95-269,877.96

Finding the Fourth Proportional to 690,897.33, 1,036,345.95 and 269,877.96

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Solution

The fourth proportional to 690,897.33, 1,036,345.95 and 269,877.96 is: 404,816.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,897.33 : 1,036,345.95 = 269,877.96 : x
  2. Step 2: Convert to fraction form
    690,897.33/1,036,345.95 = 269,877.96/x
  3. Step 3: Cross multiply
    690,897.33x = 1,036,345.95 × 269,877.96
  4. Step 4: Simplify right side
    690,897.33x = 279,686,930,840.26
  5. Step 5: Solve for x
    x = 279,686,930,840.26/690,897.33
  6. Step 6: Final answer
    x = 404,816.92

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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.