Home / 767,309.70-1,058,873.40-423,177.42

Finding the Fourth Proportional to 767,309.70, 1,058,873.40 and 423,177.42

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Solution

The fourth proportional to 767,309.70, 1,058,873.40 and 423,177.42 is: 583,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,309.70 : 1,058,873.40 = 423,177.42 : x
  2. Step 2: Convert to fraction form
    767,309.70/1,058,873.40 = 423,177.42/x
  3. Step 3: Cross multiply
    767,309.70x = 1,058,873.40 × 423,177.42
  4. Step 4: Simplify right side
    767,309.70x = 448,091,313,518.63
  5. Step 5: Solve for x
    x = 448,091,313,518.63/767,309.70
  6. Step 6: Final answer
    x = 583,977.13

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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.