Finding the Fourth Proportional to 652,869.54, 979,581.13 and 316,161.07
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Solution
The fourth proportional to 652,869.54, 979,581.13 and 316,161.07 is: 474,375.65
Step by Step Solution
- Step 1: Write the proportion equation
652,869.54 : 979,581.13 = 316,161.07 : x - Step 2: Convert to fraction form
652,869.54/979,581.13 = 316,161.07/x - Step 3: Cross multiply
652,869.54x = 979,581.13 × 316,161.07 - Step 4: Simplify right side
652,869.54x = 309,705,414,973.25 - Step 5: Solve for x
x = 309,705,414,973.25/652,869.54 - Step 6: Final answer
x = 474,375.65
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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.