Home / 862,923.52-1,294,572.13-330,444.58

Finding the Fourth Proportional to 862,923.52, 1,294,572.13 and 330,444.58

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Solution

The fourth proportional to 862,923.52, 1,294,572.13 and 330,444.58 is: 495,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,923.52 : 1,294,572.13 = 330,444.58 : x
  2. Step 2: Convert to fraction form
    862,923.52/1,294,572.13 = 330,444.58/x
  3. Step 3: Cross multiply
    862,923.52x = 1,294,572.13 × 330,444.58
  4. Step 4: Simplify right side
    862,923.52x = 427,784,336,478.58
  5. Step 5: Solve for x
    x = 427,784,336,478.58/862,923.52
  6. Step 6: Final answer
    x = 495,738.41

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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.