Home / 946,712.78-1,420,268.69-306,966.65

Finding the Fourth Proportional to 946,712.78, 1,420,268.69 and 306,966.65

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Solution

The fourth proportional to 946,712.78, 1,420,268.69 and 306,966.65 is: 460,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,712.78 : 1,420,268.69 = 306,966.65 : x
  2. Step 2: Convert to fraction form
    946,712.78/1,420,268.69 = 306,966.65/x
  3. Step 3: Cross multiply
    946,712.78x = 1,420,268.69 × 306,966.65
  4. Step 4: Simplify right side
    946,712.78x = 435,975,113,233.01
  5. Step 5: Solve for x
    x = 435,975,113,233.01/946,712.78
  6. Step 6: Final answer
    x = 460,514.66

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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.