Finding the Fourth Proportional to 697,876.26, 963,069.45 and 391,953.08
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Solution
The fourth proportional to 697,876.26, 963,069.45 and 391,953.08 is: 540,895.37
Step by Step Solution
- Step 1: Write the proportion equation
697,876.26 : 963,069.45 = 391,953.08 : x - Step 2: Convert to fraction form
697,876.26/963,069.45 = 391,953.08/x - Step 3: Cross multiply
697,876.26x = 963,069.45 × 391,953.08 - Step 4: Simplify right side
697,876.26x = 377,478,032,701.99 - Step 5: Solve for x
x = 377,478,032,701.99/697,876.26 - Step 6: Final answer
x = 540,895.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.