Finding the Fourth Proportional to 670,377.14, 925,138.34 and 364,474.08
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Solution
The fourth proportional to 670,377.14, 925,138.34 and 364,474.08 is: 502,983.96
Step by Step Solution
- Step 1: Write the proportion equation
670,377.14 : 925,138.34 = 364,474.08 : x - Step 2: Convert to fraction form
670,377.14/925,138.34 = 364,474.08/x - Step 3: Cross multiply
670,377.14x = 925,138.34 × 364,474.08 - Step 4: Simplify right side
670,377.14x = 337,188,943,521.86 - Step 5: Solve for x
x = 337,188,943,521.86/670,377.14 - Step 6: Final answer
x = 502,983.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.