Home / 679,069.60-1,019,065.20-441,834.40

Finding the Fourth Proportional to 679,069.60, 1,019,065.20 and 441,834.40

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Solution

The fourth proportional to 679,069.60, 1,019,065.20 and 441,834.40 is: 663,051.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,069.60 : 1,019,065.20 = 441,834.40 : x
  2. Step 2: Convert to fraction form
    679,069.60/1,019,065.20 = 441,834.40/x
  3. Step 3: Cross multiply
    679,069.60x = 1,019,065.20 × 441,834.40
  4. Step 4: Simplify right side
    679,069.60x = 450,258,061,202.88
  5. Step 5: Solve for x
    x = 450,258,061,202.88/679,069.60
  6. Step 6: Final answer
    x = 663,051.42

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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.