Finding the Fourth Proportional to 834,373.18, 1,248,459.63 and 497,597.05
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Solution
The fourth proportional to 834,373.18, 1,248,459.63 and 497,597.05 is: 744,546.74
Step by Step Solution
- Step 1: Write the proportion equation
834,373.18 : 1,248,459.63 = 497,597.05 : x - Step 2: Convert to fraction form
834,373.18/1,248,459.63 = 497,597.05/x - Step 3: Cross multiply
834,373.18x = 1,248,459.63 × 497,597.05 - Step 4: Simplify right side
834,373.18x = 621,229,828,932.09 - Step 5: Solve for x
x = 621,229,828,932.09/834,373.18 - Step 6: Final answer
x = 744,546.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.