Finding the Fourth Proportional to 918,603.97, 1,377,720.90 and 576,894.79
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Solution
The fourth proportional to 918,603.97, 1,377,720.90 and 576,894.79 is: 865,225.97
Step by Step Solution
- Step 1: Write the proportion equation
918,603.97 : 1,377,720.90 = 576,894.79 : x - Step 2: Convert to fraction form
918,603.97/1,377,720.90 = 576,894.79/x - Step 3: Cross multiply
918,603.97x = 1,377,720.90 × 576,894.79 - Step 4: Simplify right side
918,603.97x = 794,800,011,006.26 - Step 5: Solve for x
x = 794,800,011,006.26/918,603.97 - Step 6: Final answer
x = 865,225.97
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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.