Finding the Fourth Proportional to 818,005.01, 1,128,554.69 and 473,652.95
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Solution
The fourth proportional to 818,005.01, 1,128,554.69 and 473,652.95 is: 653,471.86
Step by Step Solution
- Step 1: Write the proportion equation
818,005.01 : 1,128,554.69 = 473,652.95 : x - Step 2: Convert to fraction form
818,005.01/1,128,554.69 = 473,652.95/x - Step 3: Cross multiply
818,005.01x = 1,128,554.69 × 473,652.95 - Step 4: Simplify right side
818,005.01x = 534,543,250,143.80 - Step 5: Solve for x
x = 534,543,250,143.80/818,005.01 - Step 6: Final answer
x = 653,471.86
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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.