Home / 671,631.20-1,007,446.80-620,309.60

Finding the Fourth Proportional to 671,631.20, 1,007,446.80 and 620,309.60

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Solution

The fourth proportional to 671,631.20, 1,007,446.80 and 620,309.60 is: 930,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,631.20 : 1,007,446.80 = 620,309.60 : x
  2. Step 2: Convert to fraction form
    671,631.20/1,007,446.80 = 620,309.60/x
  3. Step 3: Cross multiply
    671,631.20x = 1,007,446.80 × 620,309.60
  4. Step 4: Simplify right side
    671,631.20x = 624,928,921,529.28
  5. Step 5: Solve for x
    x = 624,928,921,529.28/671,631.20
  6. Step 6: Final answer
    x = 930,464.40

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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.