Finding the Fourth Proportional to 506,370.18, 698,859.93 and 291,504.90
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Solution
The fourth proportional to 506,370.18, 698,859.93 and 291,504.90 is: 402,316.53
Step by Step Solution
- Step 1: Write the proportion equation
506,370.18 : 698,859.93 = 291,504.90 : x - Step 2: Convert to fraction form
506,370.18/698,859.93 = 291,504.90/x - Step 3: Cross multiply
506,370.18x = 698,859.93 × 291,504.90 - Step 4: Simplify right side
506,370.18x = 203,721,094,008.66 - Step 5: Solve for x
x = 203,721,094,008.66/506,370.18 - Step 6: Final answer
x = 402,316.53
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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.