Home / 759,755.36-1,139,692.96-254,319.28

Finding the Fourth Proportional to 759,755.36, 1,139,692.96 and 254,319.28

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Solution

The fourth proportional to 759,755.36, 1,139,692.96 and 254,319.28 is: 381,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,755.36 : 1,139,692.96 = 254,319.28 : x
  2. Step 2: Convert to fraction form
    759,755.36/1,139,692.96 = 254,319.28/x
  3. Step 3: Cross multiply
    759,755.36x = 1,139,692.96 × 254,319.28
  4. Step 4: Simplify right side
    759,755.36x = 289,845,893,008.27
  5. Step 5: Solve for x
    x = 289,845,893,008.27/759,755.36
  6. Step 6: Final answer
    x = 381,498.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.