Home / 690,525-1,035,713.61-185,136.66

Finding the Fourth Proportional to 690,525, 1,035,713.61 and 185,136.66

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Solution

The fourth proportional to 690,525, 1,035,713.61 and 185,136.66 is: 277,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,525 : 1,035,713.61 = 185,136.66 : x
  2. Step 2: Convert to fraction form
    690,525/1,035,713.61 = 185,136.66/x
  3. Step 3: Cross multiply
    690,525x = 1,035,713.61 × 185,136.66
  4. Step 4: Simplify right side
    690,525x = 191,748,558,471.94
  5. Step 5: Solve for x
    x = 191,748,558,471.94/690,525
  6. Step 6: Final answer
    x = 277,685.18

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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.