Home / 913,631.32-1,260,795.96-505,724.44

Finding the Fourth Proportional to 913,631.32, 1,260,795.96 and 505,724.44

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Solution

The fourth proportional to 913,631.32, 1,260,795.96 and 505,724.44 is: 697,891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,631.32 : 1,260,795.96 = 505,724.44 : x
  2. Step 2: Convert to fraction form
    913,631.32/1,260,795.96 = 505,724.44/x
  3. Step 3: Cross multiply
    913,631.32x = 1,260,795.96 × 505,724.44
  4. Step 4: Simplify right side
    913,631.32x = 637,615,325,068.93
  5. Step 5: Solve for x
    x = 637,615,325,068.93/913,631.32
  6. Step 6: Final answer
    x = 697,891.27

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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.