Home / 862,924.52-1,294,573.63-330,445.58

Finding the Fourth Proportional to 862,924.52, 1,294,573.63 and 330,445.58

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Solution

The fourth proportional to 862,924.52, 1,294,573.63 and 330,445.58 is: 495,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,924.52 : 1,294,573.63 = 330,445.58 : x
  2. Step 2: Convert to fraction form
    862,924.52/1,294,573.63 = 330,445.58/x
  3. Step 3: Cross multiply
    862,924.52x = 1,294,573.63 × 330,445.58
  4. Step 4: Simplify right side
    862,924.52x = 427,786,134,018.06
  5. Step 5: Solve for x
    x = 427,786,134,018.06/862,924.52
  6. Step 6: Final answer
    x = 495,739.92

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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.