Finding the Fourth Proportional to 974,114.40, 1,343,407.44 and 611,572.08
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Solution
The fourth proportional to 974,114.40, 1,343,407.44 and 611,572.08 is: 843,422.99
Step by Step Solution
- Step 1: Write the proportion equation
974,114.40 : 1,343,407.44 = 611,572.08 : x - Step 2: Convert to fraction form
974,114.40/1,343,407.44 = 611,572.08/x - Step 3: Cross multiply
974,114.40x = 1,343,407.44 × 611,572.08 - Step 4: Simplify right side
974,114.40x = 821,590,482,368.28 - Step 5: Solve for x
x = 821,590,482,368.28/974,114.40 - Step 6: Final answer
x = 843,422.99
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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.