Home / 913,375.67-1,260,460.82-505,505.63

Finding the Fourth Proportional to 913,375.67, 1,260,460.82 and 505,505.63

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Solution

The fourth proportional to 913,375.67, 1,260,460.82 and 505,505.63 is: 697,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,375.67 : 1,260,460.82 = 505,505.63 : x
  2. Step 2: Convert to fraction form
    913,375.67/1,260,460.82 = 505,505.63/x
  3. Step 3: Cross multiply
    913,375.67x = 1,260,460.82 × 505,505.63
  4. Step 4: Simplify right side
    913,375.67x = 637,170,045,319.33
  5. Step 5: Solve for x
    x = 637,170,045,319.33/913,375.67
  6. Step 6: Final answer
    x = 697,599.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.