Home / 864,298.40-1,296,447.60-484,829.60

Finding the Fourth Proportional to 864,298.40, 1,296,447.60 and 484,829.60

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Solution

The fourth proportional to 864,298.40, 1,296,447.60 and 484,829.60 is: 727,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,298.40 : 1,296,447.60 = 484,829.60 : x
  2. Step 2: Convert to fraction form
    864,298.40/1,296,447.60 = 484,829.60/x
  3. Step 3: Cross multiply
    864,298.40x = 1,296,447.60 × 484,829.60
  4. Step 4: Simplify right side
    864,298.40x = 628,556,171,328.96
  5. Step 5: Solve for x
    x = 628,556,171,328.96/864,298.40
  6. Step 6: Final answer
    x = 727,244.40

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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.