Finding the Fourth Proportional to 834,935.52, 1,151,498.99 and 641,811.12
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Solution
The fourth proportional to 834,935.52, 1,151,498.99 and 641,811.12 is: 885,152.01
Step by Step Solution
- Step 1: Write the proportion equation
834,935.52 : 1,151,498.99 = 641,811.12 : x - Step 2: Convert to fraction form
834,935.52/1,151,498.99 = 641,811.12/x - Step 3: Cross multiply
834,935.52x = 1,151,498.99 × 641,811.12 - Step 4: Simplify right side
834,935.52x = 739,044,855,648.51 - Step 5: Solve for x
x = 739,044,855,648.51/834,935.52 - Step 6: Final answer
x = 885,152.01
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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.