Finding the Fourth Proportional to 695,821.02, 1,043,312.49 and 379,838.94
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Solution
The fourth proportional to 695,821.02, 1,043,312.49 and 379,838.94 is: 569,529.66
Step by Step Solution
- Step 1: Write the proportion equation
695,821.02 : 1,043,312.49 = 379,838.94 : x - Step 2: Convert to fraction form
695,821.02/1,043,312.49 = 379,838.94/x - Step 3: Cross multiply
695,821.02x = 1,043,312.49 × 379,838.94 - Step 4: Simplify right side
695,821.02x = 396,290,710,290.36 - Step 5: Solve for x
x = 396,290,710,290.36/695,821.02 - Step 6: Final answer
x = 569,529.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.