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Finding the Fourth Proportional to 562,161.50, 841,891.09 and 321,545.94

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Solution

The fourth proportional to 562,161.50, 841,891.09 and 321,545.94 is: 481,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,161.50 : 841,891.09 = 321,545.94 : x
  2. Step 2: Convert to fraction form
    562,161.50/841,891.09 = 321,545.94/x
  3. Step 3: Cross multiply
    562,161.50x = 841,891.09 × 321,545.94
  4. Step 4: Simplify right side
    562,161.50x = 270,706,660,303.95
  5. Step 5: Solve for x
    x = 270,706,660,303.95/562,161.50
  6. Step 6: Final answer
    x = 481,546.07

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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.