Home / 631,839.58-947,996.04-328,044.11

Finding the Fourth Proportional to 631,839.58, 947,996.04 and 328,044.11

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Solution

The fourth proportional to 631,839.58, 947,996.04 and 328,044.11 is: 492,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,839.58 : 947,996.04 = 328,044.11 : x
  2. Step 2: Convert to fraction form
    631,839.58/947,996.04 = 328,044.11/x
  3. Step 3: Cross multiply
    631,839.58x = 947,996.04 × 328,044.11
  4. Step 4: Simplify right side
    631,839.58x = 310,984,512,419.77
  5. Step 5: Solve for x
    x = 310,984,512,419.77/631,839.58
  6. Step 6: Final answer
    x = 492,189.03

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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.