Finding the Fourth Proportional to 937,820.70, 1,406,731.05 and 440,156.70
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Solution
The fourth proportional to 937,820.70, 1,406,731.05 and 440,156.70 is: 660,235.05
Step by Step Solution
- Step 1: Write the proportion equation
937,820.70 : 1,406,731.05 = 440,156.70 : x - Step 2: Convert to fraction form
937,820.70/1,406,731.05 = 440,156.70/x - Step 3: Cross multiply
937,820.70x = 1,406,731.05 × 440,156.70 - Step 4: Simplify right side
937,820.70x = 619,182,096,755.54 - Step 5: Solve for x
x = 619,182,096,755.54/937,820.70 - Step 6: Final answer
x = 660,235.05
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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.