Finding the Fourth Proportional to 564,235.24, 778,649.94 and 309,595.60
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Solution
The fourth proportional to 564,235.24, 778,649.94 and 309,595.60 is: 427,244.84
Step by Step Solution
- Step 1: Write the proportion equation
564,235.24 : 778,649.94 = 309,595.60 : x - Step 2: Convert to fraction form
564,235.24/778,649.94 = 309,595.60/x - Step 3: Cross multiply
564,235.24x = 778,649.94 × 309,595.60 - Step 4: Simplify right side
564,235.24x = 241,066,595,364.26 - Step 5: Solve for x
x = 241,066,595,364.26/564,235.24 - Step 6: Final answer
x = 427,244.84
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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.