Finding the Fourth Proportional to 608,390.88, 912,119.76 and 371,844.96
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Solution
The fourth proportional to 608,390.88, 912,119.76 and 371,844.96 is: 557,482.28
Step by Step Solution
- Step 1: Write the proportion equation
608,390.88 : 912,119.76 = 371,844.96 : x - Step 2: Convert to fraction form
608,390.88/912,119.76 = 371,844.96/x - Step 3: Cross multiply
608,390.88x = 912,119.76 × 371,844.96 - Step 4: Simplify right side
608,390.88x = 339,167,135,672.41 - Step 5: Solve for x
x = 339,167,135,672.41/608,390.88 - Step 6: Final answer
x = 557,482.28
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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.