Home / 889,669.63-1,331,402.95-727,875.37

Finding the Fourth Proportional to 889,669.63, 1,331,402.95 and 727,875.37

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Solution

The fourth proportional to 889,669.63, 1,331,402.95 and 727,875.37 is: 1,089,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,669.63 : 1,331,402.95 = 727,875.37 : x
  2. Step 2: Convert to fraction form
    889,669.63/1,331,402.95 = 727,875.37/x
  3. Step 3: Cross multiply
    889,669.63x = 1,331,402.95 × 727,875.37
  4. Step 4: Simplify right side
    889,669.63x = 969,095,414,850.34
  5. Step 5: Solve for x
    x = 969,095,414,850.34/889,669.63
  6. Step 6: Final answer
    x = 1,089,275.59

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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.