Home / 631,682.20-947,572.98-210,959.56

Finding the Fourth Proportional to 631,682.20, 947,572.98 and 210,959.56

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Solution

The fourth proportional to 631,682.20, 947,572.98 and 210,959.56 is: 316,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,682.20 : 947,572.98 = 210,959.56 : x
  2. Step 2: Convert to fraction form
    631,682.20/947,572.98 = 210,959.56/x
  3. Step 3: Cross multiply
    631,682.20x = 947,572.98 × 210,959.56
  4. Step 4: Simplify right side
    631,682.20x = 199,899,578,928.69
  5. Step 5: Solve for x
    x = 199,899,578,928.69/631,682.20
  6. Step 6: Final answer
    x = 316,455.93

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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.