Home / 767,269.67-1,058,807.88-423,120.11

Finding the Fourth Proportional to 767,269.67, 1,058,807.88 and 423,120.11

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Solution

The fourth proportional to 767,269.67, 1,058,807.88 and 423,120.11 is: 583,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,269.67 : 1,058,807.88 = 423,120.11 : x
  2. Step 2: Convert to fraction form
    767,269.67/1,058,807.88 = 423,120.11/x
  3. Step 3: Cross multiply
    767,269.67x = 1,058,807.88 × 423,120.11
  4. Step 4: Simplify right side
    767,269.67x = 448,002,901,360.43
  5. Step 5: Solve for x
    x = 448,002,901,360.43/767,269.67
  6. Step 6: Final answer
    x = 583,892.37

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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.