Finding the Fourth Proportional to 615,956.93, 849,965.25 and 343,987.08
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Solution
The fourth proportional to 615,956.93, 849,965.25 and 343,987.08 is: 474,671.28
Step by Step Solution
- Step 1: Write the proportion equation
615,956.93 : 849,965.25 = 343,987.08 : x - Step 2: Convert to fraction form
615,956.93/849,965.25 = 343,987.08/x - Step 3: Cross multiply
615,956.93x = 849,965.25 × 343,987.08 - Step 4: Simplify right side
615,956.93x = 292,377,063,007.15 - Step 5: Solve for x
x = 292,377,063,007.15/615,956.93 - Step 6: Final answer
x = 474,671.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.