Finding the Fourth Proportional to 746,228.19, 1,119,672.05 and 391,157.31
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Solution
The fourth proportional to 746,228.19, 1,119,672.05 and 391,157.31 is: 586,908.82
Step by Step Solution
- Step 1: Write the proportion equation
746,228.19 : 1,119,672.05 = 391,157.31 : x - Step 2: Convert to fraction form
746,228.19/1,119,672.05 = 391,157.31/x - Step 3: Cross multiply
746,228.19x = 1,119,672.05 × 391,157.31 - Step 4: Simplify right side
746,228.19x = 437,967,905,204.40 - Step 5: Solve for x
x = 437,967,905,204.40/746,228.19 - Step 6: Final answer
x = 586,908.82
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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.