Home / 883,936.80-1,325,030.40-434,289.60

Finding the Fourth Proportional to 883,936.80, 1,325,030.40 and 434,289.60

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Solution

The fourth proportional to 883,936.80, 1,325,030.40 and 434,289.60 is: 651,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,936.80 : 1,325,030.40 = 434,289.60 : x
  2. Step 2: Convert to fraction form
    883,936.80/1,325,030.40 = 434,289.60/x
  3. Step 3: Cross multiply
    883,936.80x = 1,325,030.40 × 434,289.60
  4. Step 4: Simplify right side
    883,936.80x = 575,446,922,403.84
  5. Step 5: Solve for x
    x = 575,446,922,403.84/883,936.80
  6. Step 6: Final answer
    x = 651,004.60

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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.