Finding the Fourth Proportional to 507,289.86, 698,932.80 and 334,900.80
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Solution
The fourth proportional to 507,289.86, 698,932.80 and 334,900.80 is: 461,418.95
Step by Step Solution
- Step 1: Write the proportion equation
507,289.86 : 698,932.80 = 334,900.80 : x - Step 2: Convert to fraction form
507,289.86/698,932.80 = 334,900.80/x - Step 3: Cross multiply
507,289.86x = 698,932.80 × 334,900.80 - Step 4: Simplify right side
507,289.86x = 234,073,153,866.24 - Step 5: Solve for x
x = 234,073,153,866.24/507,289.86 - Step 6: Final answer
x = 461,418.95
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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.