Finding the Fourth Proportional to 778,889.55, 1,168,334.33 and 329,461.05
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Solution
The fourth proportional to 778,889.55, 1,168,334.33 and 329,461.05 is: 494,191.58
Step by Step Solution
- Step 1: Write the proportion equation
778,889.55 : 1,168,334.33 = 329,461.05 : x - Step 2: Convert to fraction form
778,889.55/1,168,334.33 = 329,461.05/x - Step 3: Cross multiply
778,889.55x = 1,168,334.33 × 329,461.05 - Step 4: Simplify right side
778,889.55x = 384,920,653,465.54 - Step 5: Solve for x
x = 384,920,653,465.54/778,889.55 - Step 6: Final answer
x = 494,191.58
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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.