Finding the Fourth Proportional to 934,415.80, 1,402,279.80 and 402,318.70
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Solution
The fourth proportional to 934,415.80, 1,402,279.80 and 402,318.70 is: 603,760.54
Step by Step Solution
- Step 1: Write the proportion equation
934,415.80 : 1,402,279.80 = 402,318.70 : x - Step 2: Convert to fraction form
934,415.80/1,402,279.80 = 402,318.70/x - Step 3: Cross multiply
934,415.80x = 1,402,279.80 × 402,318.70 - Step 4: Simplify right side
934,415.80x = 564,163,386,172.26 - Step 5: Solve for x
x = 564,163,386,172.26/934,415.80 - Step 6: Final answer
x = 603,760.54
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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.