Home / 677,336.40-1,016,004.60-615,128.40

Finding the Fourth Proportional to 677,336.40, 1,016,004.60 and 615,128.40

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Solution

The fourth proportional to 677,336.40, 1,016,004.60 and 615,128.40 is: 922,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,336.40 : 1,016,004.60 = 615,128.40 : x
  2. Step 2: Convert to fraction form
    677,336.40/1,016,004.60 = 615,128.40/x
  3. Step 3: Cross multiply
    677,336.40x = 1,016,004.60 × 615,128.40
  4. Step 4: Simplify right side
    677,336.40x = 624,973,283,990.64
  5. Step 5: Solve for x
    x = 624,973,283,990.64/677,336.40
  6. Step 6: Final answer
    x = 922,692.60

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Similar ratio
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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.