Finding the Fourth Proportional to 646,106.09, 891,626.33 and 359,620.02
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Solution
The fourth proportional to 646,106.09, 891,626.33 and 359,620.02 is: 496,275.59
Step by Step Solution
- Step 1: Write the proportion equation
646,106.09 : 891,626.33 = 359,620.02 : x - Step 2: Convert to fraction form
646,106.09/891,626.33 = 359,620.02/x - Step 3: Cross multiply
646,106.09x = 891,626.33 × 359,620.02 - Step 4: Simplify right side
646,106.09x = 320,646,679,526.18 - Step 5: Solve for x
x = 320,646,679,526.18/646,106.09 - Step 6: Final answer
x = 496,275.59
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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.