Home / 631,431.54-947,155.41-210,707.42

Finding the Fourth Proportional to 631,431.54, 947,155.41 and 210,707.42

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Solution

The fourth proportional to 631,431.54, 947,155.41 and 210,707.42 is: 316,063.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,431.54 : 947,155.41 = 210,707.42 : x
  2. Step 2: Convert to fraction form
    631,431.54/947,155.41 = 210,707.42/x
  3. Step 3: Cross multiply
    631,431.54x = 947,155.41 × 210,707.42
  4. Step 4: Simplify right side
    631,431.54x = 199,572,668,044.37
  5. Step 5: Solve for x
    x = 199,572,668,044.37/631,431.54
  6. Step 6: Final answer
    x = 316,063.83

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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.