Home / 690,094.60-1,035,530.70-269,315.80

Finding the Fourth Proportional to 690,094.60, 1,035,530.70 and 269,315.80

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Solution

The fourth proportional to 690,094.60, 1,035,530.70 and 269,315.80 is: 404,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,094.60 : 1,035,530.70 = 269,315.80 : x
  2. Step 2: Convert to fraction form
    690,094.60/1,035,530.70 = 269,315.80/x
  3. Step 3: Cross multiply
    690,094.60x = 1,035,530.70 × 269,315.80
  4. Step 4: Simplify right side
    690,094.60x = 278,884,778,895.06
  5. Step 5: Solve for x
    x = 278,884,778,895.06/690,094.60
  6. Step 6: Final answer
    x = 404,125.43

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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.