Home / 1,009,218.91-1,392,696.81-550,342.32

Finding the Fourth Proportional to 1,009,218.91, 1,392,696.81 and 550,342.32

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Solution

The fourth proportional to 1,009,218.91, 1,392,696.81 and 550,342.32 is: 759,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,218.91 : 1,392,696.81 = 550,342.32 : x
  2. Step 2: Convert to fraction form
    1,009,218.91/1,392,696.81 = 550,342.32/x
  3. Step 3: Cross multiply
    1,009,218.91x = 1,392,696.81 × 550,342.32
  4. Step 4: Simplify right side
    1,009,218.91x = 766,459,989,252.33
  5. Step 5: Solve for x
    x = 766,459,989,252.33/1,009,218.91
  6. Step 6: Final answer
    x = 759,458.61

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Double scale
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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.