Finding the Fourth Proportional to 778,794.24, 1,168,191.36 and 305,702.40
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Solution
The fourth proportional to 778,794.24, 1,168,191.36 and 305,702.40 is: 458,553.60
Step by Step Solution
- Step 1: Write the proportion equation
778,794.24 : 1,168,191.36 = 305,702.40 : x - Step 2: Convert to fraction form
778,794.24/1,168,191.36 = 305,702.40/x - Step 3: Cross multiply
778,794.24x = 1,168,191.36 × 305,702.40 - Step 4: Simplify right side
778,794.24x = 357,118,902,411.26 - Step 5: Solve for x
x = 357,118,902,411.26/778,794.24 - Step 6: Final answer
x = 458,553.60
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1.5x scale
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.