Finding the Fourth Proportional to 615,412.73, 922,823.70 and 290,930.68
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Solution
The fourth proportional to 615,412.73, 922,823.70 and 290,930.68 is: 436,256.37
Step by Step Solution
- Step 1: Write the proportion equation
615,412.73 : 922,823.70 = 290,930.68 : x - Step 2: Convert to fraction form
615,412.73/922,823.70 = 290,930.68/x - Step 3: Cross multiply
615,412.73x = 922,823.70 × 290,930.68 - Step 4: Simplify right side
615,412.73x = 268,477,726,561.12 - Step 5: Solve for x
x = 268,477,726,561.12/615,412.73 - Step 6: Final answer
x = 436,256.37
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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.