Finding the Fourth Proportional to 519,702.70, 778,970.85 and 295,170.70
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Solution
The fourth proportional to 519,702.70, 778,970.85 and 295,170.70 is: 442,424.82
Step by Step Solution
- Step 1: Write the proportion equation
519,702.70 : 778,970.85 = 295,170.70 : x - Step 2: Convert to fraction form
519,702.70/778,970.85 = 295,170.70/x - Step 3: Cross multiply
519,702.70x = 778,970.85 × 295,170.70 - Step 4: Simplify right side
519,702.70x = 229,929,371,074.10 - Step 5: Solve for x
x = 229,929,371,074.10/519,702.70 - Step 6: Final answer
x = 442,424.82
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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.