Home / 947,217.17-1,420,921.44-307,494.16

Finding the Fourth Proportional to 947,217.17, 1,420,921.44 and 307,494.16

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Solution

The fourth proportional to 947,217.17, 1,420,921.44 and 307,494.16 is: 461,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,217.17 : 1,420,921.44 = 307,494.16 : x
  2. Step 2: Convert to fraction form
    947,217.17/1,420,921.44 = 307,494.16/x
  3. Step 3: Cross multiply
    947,217.17x = 1,420,921.44 × 307,494.16
  4. Step 4: Simplify right side
    947,217.17x = 436,925,041,066.49
  5. Step 5: Solve for x
    x = 436,925,041,066.49/947,217.17
  6. Step 6: Final answer
    x = 461,272.30

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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.