Home / 766,884.51-1,058,322.24-427,374.63

Finding the Fourth Proportional to 766,884.51, 1,058,322.24 and 427,374.63

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Solution

The fourth proportional to 766,884.51, 1,058,322.24 and 427,374.63 is: 589,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,884.51 : 1,058,322.24 = 427,374.63 : x
  2. Step 2: Convert to fraction form
    766,884.51/1,058,322.24 = 427,374.63/x
  3. Step 3: Cross multiply
    766,884.51x = 1,058,322.24 × 427,374.63
  4. Step 4: Simplify right side
    766,884.51x = 452,300,075,740.77
  5. Step 5: Solve for x
    x = 452,300,075,740.77/766,884.51
  6. Step 6: Final answer
    x = 589,789.04

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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.