Finding the Fourth Proportional to 790,451.07, 1,090,823.00 and 427,877.91
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Solution
The fourth proportional to 790,451.07, 1,090,823.00 and 427,877.91 is: 590,471.80
Step by Step Solution
- Step 1: Write the proportion equation
790,451.07 : 1,090,823.00 = 427,877.91 : x - Step 2: Convert to fraction form
790,451.07/1,090,823.00 = 427,877.91/x - Step 3: Cross multiply
790,451.07x = 1,090,823.00 × 427,877.91 - Step 4: Simplify right side
790,451.07x = 466,739,063,280.54 - Step 5: Solve for x
x = 466,739,063,280.54/790,451.07 - Step 6: Final answer
x = 590,471.80
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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.