Home / 690,328.20-1,035,069.48-269,112

Finding the Fourth Proportional to 690,328.20, 1,035,069.48 and 269,112

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Solution

The fourth proportional to 690,328.20, 1,035,069.48 and 269,112 is: 403,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,328.20 : 1,035,069.48 = 269,112 : x
  2. Step 2: Convert to fraction form
    690,328.20/1,035,069.48 = 269,112/x
  3. Step 3: Cross multiply
    690,328.20x = 1,035,069.48 × 269,112
  4. Step 4: Simplify right side
    690,328.20x = 278,549,617,901.76
  5. Step 5: Solve for x
    x = 278,549,617,901.76/690,328.20
  6. Step 6: Final answer
    x = 403,503.17

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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.