Home / 779,955.21-1,169,700.35-330,668.87

Finding the Fourth Proportional to 779,955.21, 1,169,700.35 and 330,668.87

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Solution

The fourth proportional to 779,955.21, 1,169,700.35 and 330,668.87 is: 495,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,955.21 : 1,169,700.35 = 330,668.87 : x
  2. Step 2: Convert to fraction form
    779,955.21/1,169,700.35 = 330,668.87/x
  3. Step 3: Cross multiply
    779,955.21x = 1,169,700.35 × 330,668.87
  4. Step 4: Simplify right side
    779,955.21x = 386,783,485,471.26
  5. Step 5: Solve for x
    x = 386,783,485,471.26/779,955.21
  6. Step 6: Final answer
    x = 495,904.74

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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.