Finding the Fourth Proportional to 818,225.46, 1,128,569.49 and 546,156.18
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Solution
The fourth proportional to 818,225.46, 1,128,569.49 and 546,156.18 is: 753,307.29
Step by Step Solution
- Step 1: Write the proportion equation
818,225.46 : 1,128,569.49 = 546,156.18 : x - Step 2: Convert to fraction form
818,225.46/1,128,569.49 = 546,156.18/x - Step 3: Cross multiply
818,225.46x = 1,128,569.49 × 546,156.18 - Step 4: Simplify right side
818,225.46x = 616,375,201,522.95 - Step 5: Solve for x
x = 616,375,201,522.95/818,225.46 - Step 6: Final answer
x = 753,307.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.