Home / 631,681.45-947,571.86-210,958.81

Finding the Fourth Proportional to 631,681.45, 947,571.86 and 210,958.81

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Solution

The fourth proportional to 631,681.45, 947,571.86 and 210,958.81 is: 316,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,681.45 : 947,571.86 = 210,958.81 : x
  2. Step 2: Convert to fraction form
    631,681.45/947,571.86 = 210,958.81/x
  3. Step 3: Cross multiply
    631,681.45x = 947,571.86 × 210,958.81
  4. Step 4: Simplify right side
    631,681.45x = 199,898,630,920.29
  5. Step 5: Solve for x
    x = 199,898,630,920.29/631,681.45
  6. Step 6: Final answer
    x = 316,454.81

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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.