Finding the Fourth Proportional to 676,156.84, 1,012,625.19 and 391,246.95
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Solution
The fourth proportional to 676,156.84, 1,012,625.19 and 391,246.95 is: 585,938.78
Step by Step Solution
- Step 1: Write the proportion equation
676,156.84 : 1,012,625.19 = 391,246.95 : x - Step 2: Convert to fraction form
676,156.84/1,012,625.19 = 391,246.95/x - Step 3: Cross multiply
676,156.84x = 1,012,625.19 × 391,246.95 - Step 4: Simplify right side
676,156.84x = 396,186,513,570.99 - Step 5: Solve for x
x = 396,186,513,570.99/676,156.84 - Step 6: Final answer
x = 585,938.78
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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.