Home / 631,404.32-947,114.68-210,680.19

Finding the Fourth Proportional to 631,404.32, 947,114.68 and 210,680.19

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Solution

The fourth proportional to 631,404.32, 947,114.68 and 210,680.19 is: 316,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,404.32 : 947,114.68 = 210,680.19 : x
  2. Step 2: Convert to fraction form
    631,404.32/947,114.68 = 210,680.19/x
  3. Step 3: Cross multiply
    631,404.32x = 947,114.68 × 210,680.19
  4. Step 4: Simplify right side
    631,404.32x = 199,538,302,526.93
  5. Step 5: Solve for x
    x = 199,538,302,526.93/631,404.32
  6. Step 6: Final answer
    x = 316,023.03

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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.