Home / 778,961.94-1,168,502.01-210,334.76

Finding the Fourth Proportional to 778,961.94, 1,168,502.01 and 210,334.76

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Solution

The fourth proportional to 778,961.94, 1,168,502.01 and 210,334.76 is: 315,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,961.94 : 1,168,502.01 = 210,334.76 : x
  2. Step 2: Convert to fraction form
    778,961.94/1,168,502.01 = 210,334.76/x
  3. Step 3: Cross multiply
    778,961.94x = 1,168,502.01 × 210,334.76
  4. Step 4: Simplify right side
    778,961.94x = 245,776,589,832.87
  5. Step 5: Solve for x
    x = 245,776,589,832.87/778,961.94
  6. Step 6: Final answer
    x = 315,518.10

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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.