Finding the Fourth Proportional to 910,381.80, 1,365,572.70 and 739,139.70
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Solution
The fourth proportional to 910,381.80, 1,365,572.70 and 739,139.70 is: 1,108,709.55
Step by Step Solution
- Step 1: Write the proportion equation
910,381.80 : 1,365,572.70 = 739,139.70 : x - Step 2: Convert to fraction form
910,381.80/1,365,572.70 = 739,139.70/x - Step 3: Cross multiply
910,381.80x = 1,365,572.70 × 739,139.70 - Step 4: Simplify right side
910,381.80x = 1,009,348,995,806.19 - Step 5: Solve for x
x = 1,009,348,995,806.19/910,381.80 - Step 6: Final answer
x = 1,108,709.55
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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.