Home / 772,044.08-1,158,072.64-298,783.76

Finding the Fourth Proportional to 772,044.08, 1,158,072.64 and 298,783.76

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Solution

The fourth proportional to 772,044.08, 1,158,072.64 and 298,783.76 is: 448,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,044.08 : 1,158,072.64 = 298,783.76 : x
  2. Step 2: Convert to fraction form
    772,044.08/1,158,072.64 = 298,783.76/x
  3. Step 3: Cross multiply
    772,044.08x = 1,158,072.64 × 298,783.76
  4. Step 4: Simplify right side
    772,044.08x = 346,013,297,732.33
  5. Step 5: Solve for x
    x = 346,013,297,732.33/772,044.08
  6. Step 6: Final answer
    x = 448,178.16

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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.