Home / 778,960.94-1,168,500.51-210,333.76

Finding the Fourth Proportional to 778,960.94, 1,168,500.51 and 210,333.76

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Solution

The fourth proportional to 778,960.94, 1,168,500.51 and 210,333.76 is: 315,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,960.94 : 1,168,500.51 = 210,333.76 : x
  2. Step 2: Convert to fraction form
    778,960.94/1,168,500.51 = 210,333.76/x
  3. Step 3: Cross multiply
    778,960.94x = 1,168,500.51 × 210,333.76
  4. Step 4: Simplify right side
    778,960.94x = 245,775,107,444.20
  5. Step 5: Solve for x
    x = 245,775,107,444.20/778,960.94
  6. Step 6: Final answer
    x = 315,516.60

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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.