Home / 767,239.67-1,058,853.78-423,142.91

Finding the Fourth Proportional to 767,239.67, 1,058,853.78 and 423,142.91

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Solution

The fourth proportional to 767,239.67, 1,058,853.78 and 423,142.91 is: 583,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,239.67 : 1,058,853.78 = 423,142.91 : x
  2. Step 2: Convert to fraction form
    767,239.67/1,058,853.78 = 423,142.91/x
  3. Step 3: Cross multiply
    767,239.67x = 1,058,853.78 × 423,142.91
  4. Step 4: Simplify right side
    767,239.67x = 448,046,464,439.43
  5. Step 5: Solve for x
    x = 448,046,464,439.43/767,239.67
  6. Step 6: Final answer
    x = 583,971.97

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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.