Home / 690,260.85-1,035,401.99-216,946.22

Finding the Fourth Proportional to 690,260.85, 1,035,401.99 and 216,946.22

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Solution

The fourth proportional to 690,260.85, 1,035,401.99 and 216,946.22 is: 325,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,260.85 : 1,035,401.99 = 216,946.22 : x
  2. Step 2: Convert to fraction form
    690,260.85/1,035,401.99 = 216,946.22/x
  3. Step 3: Cross multiply
    690,260.85x = 1,035,401.99 × 216,946.22
  4. Step 4: Simplify right side
    690,260.85x = 224,626,541,649.24
  5. Step 5: Solve for x
    x = 224,626,541,649.24/690,260.85
  6. Step 6: Final answer
    x = 325,422.69

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1.5x scale

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.