Home / 723,958.40-1,086,326.40-303,276.80

Finding the Fourth Proportional to 723,958.40, 1,086,326.40 and 303,276.80

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Solution

The fourth proportional to 723,958.40, 1,086,326.40 and 303,276.80 is: 455,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,958.40 : 1,086,326.40 = 303,276.80 : x
  2. Step 2: Convert to fraction form
    723,958.40/1,086,326.40 = 303,276.80/x
  3. Step 3: Cross multiply
    723,958.40x = 1,086,326.40 × 303,276.80
  4. Step 4: Simplify right side
    723,958.40x = 329,457,594,347.52
  5. Step 5: Solve for x
    x = 329,457,594,347.52/723,958.40
  6. Step 6: Final answer
    x = 455,078.07

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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.