Home / 766,957.37-1,058,406.41-427,447.49

Finding the Fourth Proportional to 766,957.37, 1,058,406.41 and 427,447.49

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Solution

The fourth proportional to 766,957.37, 1,058,406.41 and 427,447.49 is: 589,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,957.37 : 1,058,406.41 = 427,447.49 : x
  2. Step 2: Convert to fraction form
    766,957.37/1,058,406.41 = 427,447.49/x
  3. Step 3: Cross multiply
    766,957.37x = 1,058,406.41 × 427,447.49
  4. Step 4: Simplify right side
    766,957.37x = 452,413,159,131.00
  5. Step 5: Solve for x
    x = 452,413,159,131.00/766,957.37
  6. Step 6: Final answer
    x = 589,880.45

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1.5x scale

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.