Finding the Fourth Proportional to 506,334.24, 698,823.05 and 291,428.69
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Solution
The fourth proportional to 506,334.24, 698,823.05 and 291,428.69 is: 402,218.66
Step by Step Solution
- Step 1: Write the proportion equation
506,334.24 : 698,823.05 = 291,428.69 : x - Step 2: Convert to fraction form
506,334.24/698,823.05 = 291,428.69/x - Step 3: Cross multiply
506,334.24x = 698,823.05 × 291,428.69 - Step 4: Simplify right side
506,334.24x = 203,657,081,052.05 - Step 5: Solve for x
x = 203,657,081,052.05/506,334.24 - Step 6: Final answer
x = 402,218.66
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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.