Home / 963,906.45-1,445,749.51-253,990.05

Finding the Fourth Proportional to 963,906.45, 1,445,749.51 and 253,990.05

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Solution

The fourth proportional to 963,906.45, 1,445,749.51 and 253,990.05 is: 380,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,906.45 : 1,445,749.51 = 253,990.05 : x
  2. Step 2: Convert to fraction form
    963,906.45/1,445,749.51 = 253,990.05/x
  3. Step 3: Cross multiply
    963,906.45x = 1,445,749.51 × 253,990.05
  4. Step 4: Simplify right side
    963,906.45x = 367,205,990,332.38
  5. Step 5: Solve for x
    x = 367,205,990,332.38/963,906.45
  6. Step 6: Final answer
    x = 380,956.05

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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.