Home / 698,341.96-1,047,972.30-383,020.30

Finding the Fourth Proportional to 698,341.96, 1,047,972.30 and 383,020.30

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Solution

The fourth proportional to 698,341.96, 1,047,972.30 and 383,020.30 is: 574,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,341.96 : 1,047,972.30 = 383,020.30 : x
  2. Step 2: Convert to fraction form
    698,341.96/1,047,972.30 = 383,020.30/x
  3. Step 3: Cross multiply
    698,341.96x = 1,047,972.30 × 383,020.30
  4. Step 4: Simplify right side
    698,341.96x = 401,394,664,737.69
  5. Step 5: Solve for x
    x = 401,394,664,737.69/698,341.96
  6. Step 6: Final answer
    x = 574,782.40

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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.