Home / 772,638.12-1,158,858.72-298,999.44

Finding the Fourth Proportional to 772,638.12, 1,158,858.72 and 298,999.44

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Solution

The fourth proportional to 772,638.12, 1,158,858.72 and 298,999.44 is: 448,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,638.12 : 1,158,858.72 = 298,999.44 : x
  2. Step 2: Convert to fraction form
    772,638.12/1,158,858.72 = 298,999.44/x
  3. Step 3: Cross multiply
    772,638.12x = 1,158,858.72 × 298,999.44
  4. Step 4: Simplify right side
    772,638.12x = 346,498,108,319.12
  5. Step 5: Solve for x
    x = 346,498,108,319.12/772,638.12
  6. Step 6: Final answer
    x = 448,461.06

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1.5x scale

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.