Home / 772,029.40-1,158,245.70-298,730.20

Finding the Fourth Proportional to 772,029.40, 1,158,245.70 and 298,730.20

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Solution

The fourth proportional to 772,029.40, 1,158,245.70 and 298,730.20 is: 448,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,029.40 : 1,158,245.70 = 298,730.20 : x
  2. Step 2: Convert to fraction form
    772,029.40/1,158,245.70 = 298,730.20/x
  3. Step 3: Cross multiply
    772,029.40x = 1,158,245.70 × 298,730.20
  4. Step 4: Simplify right side
    772,029.40x = 346,002,969,610.14
  5. Step 5: Solve for x
    x = 346,002,969,610.14/772,029.40
  6. Step 6: Final answer
    x = 448,173.31

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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.