Home / 631,406.93-947,118.60-210,682.80

Finding the Fourth Proportional to 631,406.93, 947,118.60 and 210,682.80

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Solution

The fourth proportional to 631,406.93, 947,118.60 and 210,682.80 is: 316,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,406.93 : 947,118.60 = 210,682.80 : x
  2. Step 2: Convert to fraction form
    631,406.93/947,118.60 = 210,682.80/x
  3. Step 3: Cross multiply
    631,406.93x = 947,118.60 × 210,682.80
  4. Step 4: Simplify right side
    631,406.93x = 199,541,598,580.08
  5. Step 5: Solve for x
    x = 199,541,598,580.08/631,406.93
  6. Step 6: Final answer
    x = 316,026.94

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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.