Finding the Fourth Proportional to 702,970.10, 1,054,455.15 and 514,963.70
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Solution
The fourth proportional to 702,970.10, 1,054,455.15 and 514,963.70 is: 772,445.55
Step by Step Solution
- Step 1: Write the proportion equation
702,970.10 : 1,054,455.15 = 514,963.70 : x - Step 2: Convert to fraction form
702,970.10/1,054,455.15 = 514,963.70/x - Step 3: Cross multiply
702,970.10x = 1,054,455.15 × 514,963.70 - Step 4: Simplify right side
702,970.10x = 543,006,125,528.06 - Step 5: Solve for x
x = 543,006,125,528.06/702,970.10 - Step 6: Final answer
x = 772,445.55
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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.