Home / 677,457.99-1,015,865.22-393,236.25

Finding the Fourth Proportional to 677,457.99, 1,015,865.22 and 393,236.25

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Solution

The fourth proportional to 677,457.99, 1,015,865.22 and 393,236.25 is: 589,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,457.99 : 1,015,865.22 = 393,236.25 : x
  2. Step 2: Convert to fraction form
    677,457.99/1,015,865.22 = 393,236.25/x
  3. Step 3: Cross multiply
    677,457.99x = 1,015,865.22 × 393,236.25
  4. Step 4: Simplify right side
    677,457.99x = 399,475,029,618.23
  5. Step 5: Solve for x
    x = 399,475,029,618.23/677,457.99
  6. Step 6: Final answer
    x = 589,667.60

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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.