Home / 755,169.36-1,042,136.28-432,898.80

Finding the Fourth Proportional to 755,169.36, 1,042,136.28 and 432,898.80

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Solution

The fourth proportional to 755,169.36, 1,042,136.28 and 432,898.80 is: 597,401.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,169.36 : 1,042,136.28 = 432,898.80 : x
  2. Step 2: Convert to fraction form
    755,169.36/1,042,136.28 = 432,898.80/x
  3. Step 3: Cross multiply
    755,169.36x = 1,042,136.28 × 432,898.80
  4. Step 4: Simplify right side
    755,169.36x = 451,139,545,048.46
  5. Step 5: Solve for x
    x = 451,139,545,048.46/755,169.36
  6. Step 6: Final answer
    x = 597,401.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.