Home / 672,917.15-1,009,080.45-251,897.78

Finding the Fourth Proportional to 672,917.15, 1,009,080.45 and 251,897.78

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Solution

The fourth proportional to 672,917.15, 1,009,080.45 and 251,897.78 is: 377,736.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,917.15 : 1,009,080.45 = 251,897.78 : x
  2. Step 2: Convert to fraction form
    672,917.15/1,009,080.45 = 251,897.78/x
  3. Step 3: Cross multiply
    672,917.15x = 1,009,080.45 × 251,897.78
  4. Step 4: Simplify right side
    672,917.15x = 254,185,127,719.10
  5. Step 5: Solve for x
    x = 254,185,127,719.10/672,917.15
  6. Step 6: Final answer
    x = 377,736.14

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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.