Home / 811,050.63-1,216,696.88-298,676.36

Finding the Fourth Proportional to 811,050.63, 1,216,696.88 and 298,676.36

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Solution

The fourth proportional to 811,050.63, 1,216,696.88 and 298,676.36 is: 448,059.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,050.63 : 1,216,696.88 = 298,676.36 : x
  2. Step 2: Convert to fraction form
    811,050.63/1,216,696.88 = 298,676.36/x
  3. Step 3: Cross multiply
    811,050.63x = 1,216,696.88 × 298,676.36
  4. Step 4: Simplify right side
    811,050.63x = 363,398,595,341.76
  5. Step 5: Solve for x
    x = 363,398,595,341.76/811,050.63
  6. Step 6: Final answer
    x = 448,059.08

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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.