Home / 816,172.74-1,126,316.34-448,647.39

Finding the Fourth Proportional to 816,172.74, 1,126,316.34 and 448,647.39

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Solution

The fourth proportional to 816,172.74, 1,126,316.34 and 448,647.39 is: 619,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,172.74 : 1,126,316.34 = 448,647.39 : x
  2. Step 2: Convert to fraction form
    816,172.74/1,126,316.34 = 448,647.39/x
  3. Step 3: Cross multiply
    816,172.74x = 1,126,316.34 × 448,647.39
  4. Step 4: Simplify right side
    816,172.74x = 505,318,886,255.35
  5. Step 5: Solve for x
    x = 505,318,886,255.35/816,172.74
  6. Step 6: Final answer
    x = 619,132.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.