Home / 862,741.20-1,294,111.80-484,827.60

Finding the Fourth Proportional to 862,741.20, 1,294,111.80 and 484,827.60

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Solution

The fourth proportional to 862,741.20, 1,294,111.80 and 484,827.60 is: 727,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,741.20 : 1,294,111.80 = 484,827.60 : x
  2. Step 2: Convert to fraction form
    862,741.20/1,294,111.80 = 484,827.60/x
  3. Step 3: Cross multiply
    862,741.20x = 1,294,111.80 × 484,827.60
  4. Step 4: Simplify right side
    862,741.20x = 627,421,118,125.68
  5. Step 5: Solve for x
    x = 627,421,118,125.68/862,741.20
  6. Step 6: Final answer
    x = 727,241.40

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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.