Home / 873,815.64-1,311,232.95-368,345.67

Finding the Fourth Proportional to 873,815.64, 1,311,232.95 and 368,345.67

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Solution

The fourth proportional to 873,815.64, 1,311,232.95 and 368,345.67 is: 552,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,815.64 : 1,311,232.95 = 368,345.67 : x
  2. Step 2: Convert to fraction form
    873,815.64/1,311,232.95 = 368,345.67/x
  3. Step 3: Cross multiply
    873,815.64x = 1,311,232.95 × 368,345.67
  4. Step 4: Simplify right side
    873,815.64x = 482,986,979,493.83
  5. Step 5: Solve for x
    x = 482,986,979,493.83/873,815.64
  6. Step 6: Final answer
    x = 552,733.27

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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.