Finding the Fourth Proportional to 602,747.70, 904,121.55 and 247,643.70
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Solution
The fourth proportional to 602,747.70, 904,121.55 and 247,643.70 is: 371,465.55
Step by Step Solution
- Step 1: Write the proportion equation
602,747.70 : 904,121.55 = 247,643.70 : x - Step 2: Convert to fraction form
602,747.70/904,121.55 = 247,643.70/x - Step 3: Cross multiply
602,747.70x = 904,121.55 × 247,643.70 - Step 4: Simplify right side
602,747.70x = 223,900,005,891.74 - Step 5: Solve for x
x = 223,900,005,891.74/602,747.70 - Step 6: Final answer
x = 371,465.55
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1.5x scale
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.