Finding the Fourth Proportional to 461,693.24, 692,759.20 and 319,756.96
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Solution
The fourth proportional to 461,693.24, 692,759.20 and 319,756.96 is: 479,787.35
Step by Step Solution
- Step 1: Write the proportion equation
461,693.24 : 692,759.20 = 319,756.96 : x - Step 2: Convert to fraction form
461,693.24/692,759.20 = 319,756.96/x - Step 3: Cross multiply
461,693.24x = 692,759.20 × 319,756.96 - Step 4: Simplify right side
461,693.24x = 221,514,575,804.03 - Step 5: Solve for x
x = 221,514,575,804.03/461,693.24 - Step 6: Final answer
x = 479,787.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.