Home / 715,427.82-1,072,342.38-310,152.15

Finding the Fourth Proportional to 715,427.82, 1,072,342.38 and 310,152.15

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Solution

The fourth proportional to 715,427.82, 1,072,342.38 and 310,152.15 is: 464,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,427.82 : 1,072,342.38 = 310,152.15 : x
  2. Step 2: Convert to fraction form
    715,427.82/1,072,342.38 = 310,152.15/x
  3. Step 3: Cross multiply
    715,427.82x = 1,072,342.38 × 310,152.15
  4. Step 4: Simplify right side
    715,427.82x = 332,589,294,693.12
  5. Step 5: Solve for x
    x = 332,589,294,693.12/715,427.82
  6. Step 6: Final answer
    x = 464,881.69

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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.