Home / 711,210.42-1,066,921.74-261,896.76

Finding the Fourth Proportional to 711,210.42, 1,066,921.74 and 261,896.76

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Solution

The fourth proportional to 711,210.42, 1,066,921.74 and 261,896.76 is: 392,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,210.42 : 1,066,921.74 = 261,896.76 : x
  2. Step 2: Convert to fraction form
    711,210.42/1,066,921.74 = 261,896.76/x
  3. Step 3: Cross multiply
    711,210.42x = 1,066,921.74 × 261,896.76
  4. Step 4: Simplify right side
    711,210.42x = 279,423,346,879.56
  5. Step 5: Solve for x
    x = 279,423,346,879.56/711,210.42
  6. Step 6: Final answer
    x = 392,884.21

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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.