Home / 767,137.98-1,058,664.33-427,569.78

Finding the Fourth Proportional to 767,137.98, 1,058,664.33 and 427,569.78

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Solution

The fourth proportional to 767,137.98, 1,058,664.33 and 427,569.78 is: 590,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,137.98 : 1,058,664.33 = 427,569.78 : x
  2. Step 2: Convert to fraction form
    767,137.98/1,058,664.33 = 427,569.78/x
  3. Step 3: Cross multiply
    767,137.98x = 1,058,664.33 × 427,569.78
  4. Step 4: Simplify right side
    767,137.98x = 452,652,874,671.95
  5. Step 5: Solve for x
    x = 452,652,874,671.95/767,137.98
  6. Step 6: Final answer
    x = 590,054.05

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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.