Home / 631,531.44-947,283.84-205,066.80

Finding the Fourth Proportional to 631,531.44, 947,283.84 and 205,066.80

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Solution

The fourth proportional to 631,531.44, 947,283.84 and 205,066.80 is: 307,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,531.44 : 947,283.84 = 205,066.80 : x
  2. Step 2: Convert to fraction form
    631,531.44/947,283.84 = 205,066.80/x
  3. Step 3: Cross multiply
    631,531.44x = 947,283.84 × 205,066.80
  4. Step 4: Simplify right side
    631,531.44x = 194,256,465,760.51
  5. Step 5: Solve for x
    x = 194,256,465,760.51/631,531.44
  6. Step 6: Final answer
    x = 307,595.87

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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.