Home / 631,433.54-947,158.41-210,709.42

Finding the Fourth Proportional to 631,433.54, 947,158.41 and 210,709.42

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Solution

The fourth proportional to 631,433.54, 947,158.41 and 210,709.42 is: 316,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,433.54 : 947,158.41 = 210,709.42 : x
  2. Step 2: Convert to fraction form
    631,433.54/947,158.41 = 210,709.42/x
  3. Step 3: Cross multiply
    631,433.54x = 947,158.41 × 210,709.42
  4. Step 4: Simplify right side
    631,433.54x = 199,575,199,219.22
  5. Step 5: Solve for x
    x = 199,575,199,219.22/631,433.54
  6. Step 6: Final answer
    x = 316,066.83

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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.