Home / 421,104.77-631,984.71-293,918.76

Finding the Fourth Proportional to 421,104.77, 631,984.71 and 293,918.76

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Solution

The fourth proportional to 421,104.77, 631,984.71 and 293,918.76 is: 441,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,104.77 : 631,984.71 = 293,918.76 : x
  2. Step 2: Convert to fraction form
    421,104.77/631,984.71 = 293,918.76/x
  3. Step 3: Cross multiply
    421,104.77x = 631,984.71 × 293,918.76
  4. Step 4: Simplify right side
    421,104.77x = 185,752,162,302.16
  5. Step 5: Solve for x
    x = 185,752,162,302.16/421,104.77
  6. Step 6: Final answer
    x = 441,106.76

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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.