Finding the Fourth Proportional to 974,501.12, 1,344,821.52 and 544,805.12
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Solution
The fourth proportional to 974,501.12, 1,344,821.52 and 544,805.12 is: 751,836.64
Step by Step Solution
- Step 1: Write the proportion equation
974,501.12 : 1,344,821.52 = 544,805.12 : x - Step 2: Convert to fraction form
974,501.12/1,344,821.52 = 544,805.12/x - Step 3: Cross multiply
974,501.12x = 1,344,821.52 × 544,805.12 - Step 4: Simplify right side
974,501.12x = 732,665,649,582.18 - Step 5: Solve for x
x = 732,665,649,582.18/974,501.12 - Step 6: Final answer
x = 751,836.64
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1.5x scale
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.