Finding the Fourth Proportional to 577,725.75, 797,246.55 and 319,612.23
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Solution
The fourth proportional to 577,725.75, 797,246.55 and 319,612.23 is: 441,056.59
Step by Step Solution
- Step 1: Write the proportion equation
577,725.75 : 797,246.55 = 319,612.23 : x - Step 2: Convert to fraction form
577,725.75/797,246.55 = 319,612.23/x - Step 3: Cross multiply
577,725.75x = 797,246.55 × 319,612.23 - Step 4: Simplify right side
577,725.75x = 254,809,747,705.31 - Step 5: Solve for x
x = 254,809,747,705.31/577,725.75 - Step 6: Final answer
x = 441,056.59
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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.