Finding the Fourth Proportional to 798,069.24, 1,101,783.87 and 553,408.74
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Solution
The fourth proportional to 798,069.24, 1,101,783.87 and 553,408.74 is: 764,014.94
Step by Step Solution
- Step 1: Write the proportion equation
798,069.24 : 1,101,783.87 = 553,408.74 : x - Step 2: Convert to fraction form
798,069.24/1,101,783.87 = 553,408.74/x - Step 3: Cross multiply
798,069.24x = 1,101,783.87 × 553,408.74 - Step 4: Simplify right side
798,069.24x = 609,736,823,249.02 - Step 5: Solve for x
x = 609,736,823,249.02/798,069.24 - Step 6: Final answer
x = 764,014.94
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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.