Finding the Fourth Proportional to 993,420.40, 1,488,599.70 and 739,509.70
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Solution
The fourth proportional to 993,420.40, 1,488,599.70 and 739,509.70 is: 1,108,124.94
Step by Step Solution
- Step 1: Write the proportion equation
993,420.40 : 1,488,599.70 = 739,509.70 : x - Step 2: Convert to fraction form
993,420.40/1,488,599.70 = 739,509.70/x - Step 3: Cross multiply
993,420.40x = 1,488,599.70 × 739,509.70 - Step 4: Simplify right side
993,420.40x = 1,100,833,917,567.09 - Step 5: Solve for x
x = 1,100,833,917,567.09/993,420.40 - Step 6: Final answer
x = 1,108,124.94
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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.