Home / 902,955.54-1,246,030.95-515,694.33

Finding the Fourth Proportional to 902,955.54, 1,246,030.95 and 515,694.33

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Solution

The fourth proportional to 902,955.54, 1,246,030.95 and 515,694.33 is: 711,630.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,955.54 : 1,246,030.95 = 515,694.33 : x
  2. Step 2: Convert to fraction form
    902,955.54/1,246,030.95 = 515,694.33/x
  3. Step 3: Cross multiply
    902,955.54x = 1,246,030.95 × 515,694.33
  4. Step 4: Simplify right side
    902,955.54x = 642,571,095,919.51
  5. Step 5: Solve for x
    x = 642,571,095,919.51/902,955.54
  6. Step 6: Final answer
    x = 711,630.94

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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.