Finding the Fourth Proportional to 912,118.32, 1,368,472.56 and 438,741.84
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Solution
The fourth proportional to 912,118.32, 1,368,472.56 and 438,741.84 is: 658,254.70
Step by Step Solution
- Step 1: Write the proportion equation
912,118.32 : 1,368,472.56 = 438,741.84 : x - Step 2: Convert to fraction form
912,118.32/1,368,472.56 = 438,741.84/x - Step 3: Cross multiply
912,118.32x = 1,368,472.56 × 438,741.84 - Step 4: Simplify right side
912,118.32x = 600,406,168,963.91 - Step 5: Solve for x
x = 600,406,168,963.91/912,118.32 - Step 6: Final answer
x = 658,254.70
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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.