Home / 671,570.80-1,007,356.20-603,919.60

Finding the Fourth Proportional to 671,570.80, 1,007,356.20 and 603,919.60

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Solution

The fourth proportional to 671,570.80, 1,007,356.20 and 603,919.60 is: 905,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,570.80 : 1,007,356.20 = 603,919.60 : x
  2. Step 2: Convert to fraction form
    671,570.80/1,007,356.20 = 603,919.60/x
  3. Step 3: Cross multiply
    671,570.80x = 1,007,356.20 × 603,919.60
  4. Step 4: Simplify right side
    671,570.80x = 608,362,153,361.52
  5. Step 5: Solve for x
    x = 608,362,153,361.52/671,570.80
  6. Step 6: Final answer
    x = 905,879.40

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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.