Finding the Fourth Proportional to 506,477.05, 698,860.74 and 291,575.59
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Solution
The fourth proportional to 506,477.05, 698,860.74 and 291,575.59 is: 402,329.65
Step by Step Solution
- Step 1: Write the proportion equation
506,477.05 : 698,860.74 = 291,575.59 : x - Step 2: Convert to fraction form
506,477.05/698,860.74 = 291,575.59/x - Step 3: Cross multiply
506,477.05x = 698,860.74 × 291,575.59 - Step 4: Simplify right side
506,477.05x = 203,770,731,939.59 - Step 5: Solve for x
x = 203,770,731,939.59/506,477.05 - Step 6: Final answer
x = 402,329.65
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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.