Finding the Fourth Proportional to 649,381.10, 895,565.67 and 407,686.19
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Solution
The fourth proportional to 649,381.10, 895,565.67 and 407,686.19 is: 562,242.66
Step by Step Solution
- Step 1: Write the proportion equation
649,381.10 : 895,565.67 = 407,686.19 : x - Step 2: Convert to fraction form
649,381.10/895,565.67 = 407,686.19/x - Step 3: Cross multiply
649,381.10x = 895,565.67 × 407,686.19 - Step 4: Simplify right side
649,381.10x = 365,109,755,897.10 - Step 5: Solve for x
x = 365,109,755,897.10/649,381.10 - Step 6: Final answer
x = 562,242.66
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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.