Home / 767,242.68-1,058,857.92-423,145.91

Finding the Fourth Proportional to 767,242.68, 1,058,857.92 and 423,145.91

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Solution

The fourth proportional to 767,242.68, 1,058,857.92 and 423,145.91 is: 583,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,242.68 : 1,058,857.92 = 423,145.91 : x
  2. Step 2: Convert to fraction form
    767,242.68/1,058,857.92 = 423,145.91/x
  3. Step 3: Cross multiply
    767,242.68x = 1,058,857.92 × 423,145.91
  4. Step 4: Simplify right side
    767,242.68x = 448,051,392,824.82
  5. Step 5: Solve for x
    x = 448,051,392,824.82/767,242.68
  6. Step 6: Final answer
    x = 583,976.11

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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.