Home / 631,406.18-947,117.48-210,682.06

Finding the Fourth Proportional to 631,406.18, 947,117.48 and 210,682.06

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Solution

The fourth proportional to 631,406.18, 947,117.48 and 210,682.06 is: 316,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,406.18 : 947,117.48 = 210,682.06 : x
  2. Step 2: Convert to fraction form
    631,406.18/947,117.48 = 210,682.06/x
  3. Step 3: Cross multiply
    631,406.18x = 947,117.48 × 210,682.06
  4. Step 4: Simplify right side
    631,406.18x = 199,540,661,748.41
  5. Step 5: Solve for x
    x = 199,540,661,748.41/631,406.18
  6. Step 6: Final answer
    x = 316,025.83

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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.