Home / 646,932.72-970,003.80-310,076.40

Finding the Fourth Proportional to 646,932.72, 970,003.80 and 310,076.40

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Solution

The fourth proportional to 646,932.72, 970,003.80 and 310,076.40 is: 464,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,932.72 : 970,003.80 = 310,076.40 : x
  2. Step 2: Convert to fraction form
    646,932.72/970,003.80 = 310,076.40/x
  3. Step 3: Cross multiply
    646,932.72x = 970,003.80 × 310,076.40
  4. Step 4: Simplify right side
    646,932.72x = 300,775,286,290.32
  5. Step 5: Solve for x
    x = 300,775,286,290.32/646,932.72
  6. Step 6: Final answer
    x = 464,925.14

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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.