Finding the Fourth Proportional to 709,606.64, 979,249.12 and 403,675.84
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Solution
The fourth proportional to 709,606.64, 979,249.12 and 403,675.84 is: 557,068.08
Step by Step Solution
- Step 1: Write the proportion equation
709,606.64 : 979,249.12 = 403,675.84 : x - Step 2: Convert to fraction form
709,606.64/979,249.12 = 403,675.84/x - Step 3: Cross multiply
709,606.64x = 979,249.12 × 403,675.84 - Step 4: Simplify right side
709,606.64x = 395,299,211,085.26 - Step 5: Solve for x
x = 395,299,211,085.26/709,606.64 - Step 6: Final answer
x = 557,068.08
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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.