Home / 677,486.63-1,016,623.51-303,509.63

Finding the Fourth Proportional to 677,486.63, 1,016,623.51 and 303,509.63

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Solution

The fourth proportional to 677,486.63, 1,016,623.51 and 303,509.63 is: 455,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,486.63 : 1,016,623.51 = 303,509.63 : x
  2. Step 2: Convert to fraction form
    677,486.63/1,016,623.51 = 303,509.63/x
  3. Step 3: Cross multiply
    677,486.63x = 1,016,623.51 × 303,509.63
  4. Step 4: Simplify right side
    677,486.63x = 308,555,027,152.19
  5. Step 5: Solve for x
    x = 308,555,027,152.19/677,486.63
  6. Step 6: Final answer
    x = 455,440.76

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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.