Home / 806,540.63-1,210,651.66-357,576.78

Finding the Fourth Proportional to 806,540.63, 1,210,651.66 and 357,576.78

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Solution

The fourth proportional to 806,540.63, 1,210,651.66 and 357,576.78 is: 536,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,540.63 : 1,210,651.66 = 357,576.78 : x
  2. Step 2: Convert to fraction form
    806,540.63/1,210,651.66 = 357,576.78/x
  3. Step 3: Cross multiply
    806,540.63x = 1,210,651.66 × 357,576.78
  4. Step 4: Simplify right side
    806,540.63x = 432,900,927,271.37
  5. Step 5: Solve for x
    x = 432,900,927,271.37/806,540.63
  6. Step 6: Final answer
    x = 536,737.91

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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.