Home / 738,455.37-1,107,584.63-205,931.81

Finding the Fourth Proportional to 738,455.37, 1,107,584.63 and 205,931.81

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Solution

The fourth proportional to 738,455.37, 1,107,584.63 and 205,931.81 is: 308,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,455.37 : 1,107,584.63 = 205,931.81 : x
  2. Step 2: Convert to fraction form
    738,455.37/1,107,584.63 = 205,931.81/x
  3. Step 3: Cross multiply
    738,455.37x = 1,107,584.63 × 205,931.81
  4. Step 4: Simplify right side
    738,455.37x = 228,086,901,016.50
  5. Step 5: Solve for x
    x = 228,086,901,016.50/738,455.37
  6. Step 6: Final answer
    x = 308,870.26

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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.