Home / 831,698.44-1,247,070.12-325,666.94

Finding the Fourth Proportional to 831,698.44, 1,247,070.12 and 325,666.94

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Solution

The fourth proportional to 831,698.44, 1,247,070.12 and 325,666.94 is: 488,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,698.44 : 1,247,070.12 = 325,666.94 : x
  2. Step 2: Convert to fraction form
    831,698.44/1,247,070.12 = 325,666.94/x
  3. Step 3: Cross multiply
    831,698.44x = 1,247,070.12 × 325,666.94
  4. Step 4: Simplify right side
    831,698.44x = 406,129,509,945.83
  5. Step 5: Solve for x
    x = 406,129,509,945.83/831,698.44
  6. Step 6: Final answer
    x = 488,313.42

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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.