Finding the Fourth Proportional to 778,675.52, 1,168,014.36 and 217,709.48
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Solution
The fourth proportional to 778,675.52, 1,168,014.36 and 217,709.48 is: 326,564.52
Step by Step Solution
- Step 1: Write the proportion equation
778,675.52 : 1,168,014.36 = 217,709.48 : x - Step 2: Convert to fraction form
778,675.52/1,168,014.36 = 217,709.48/x - Step 3: Cross multiply
778,675.52x = 1,168,014.36 × 217,709.48 - Step 4: Simplify right side
778,675.52x = 254,287,798,948.13 - Step 5: Solve for x
x = 254,287,798,948.13/778,675.52 - Step 6: Final answer
x = 326,564.52
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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.