Finding the Fourth Proportional to 912,346.32, 1,368,389.88 and 313,297.68
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Solution
The fourth proportional to 912,346.32, 1,368,389.88 and 313,297.68 is: 469,902.02
Step by Step Solution
- Step 1: Write the proportion equation
912,346.32 : 1,368,389.88 = 313,297.68 : x - Step 2: Convert to fraction form
912,346.32/1,368,389.88 = 313,297.68/x - Step 3: Cross multiply
912,346.32x = 1,368,389.88 × 313,297.68 - Step 4: Simplify right side
912,346.32x = 428,713,374,739.48 - Step 5: Solve for x
x = 428,713,374,739.48/912,346.32 - Step 6: Final answer
x = 469,902.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.