Home / 862,925.50-1,294,575.08-330,446.55

Finding the Fourth Proportional to 862,925.50, 1,294,575.08 and 330,446.55

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Solution

The fourth proportional to 862,925.50, 1,294,575.08 and 330,446.55 is: 495,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,925.50 : 1,294,575.08 = 330,446.55 : x
  2. Step 2: Convert to fraction form
    862,925.50/1,294,575.08 = 330,446.55/x
  3. Step 3: Cross multiply
    862,925.50x = 1,294,575.08 × 330,446.55
  4. Step 4: Simplify right side
    862,925.50x = 427,787,872,104.40
  5. Step 5: Solve for x
    x = 427,787,872,104.40/862,925.50
  6. Step 6: Final answer
    x = 495,741.37

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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.