Finding the Fourth Proportional to 640,449.48, 883,927.80 and 433,624.08
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Solution
The fourth proportional to 640,449.48, 883,927.80 and 433,624.08 is: 598,474.03
Step by Step Solution
- Step 1: Write the proportion equation
640,449.48 : 883,927.80 = 433,624.08 : x - Step 2: Convert to fraction form
640,449.48/883,927.80 = 433,624.08/x - Step 3: Cross multiply
640,449.48x = 883,927.80 × 433,624.08 - Step 4: Simplify right side
640,449.48x = 383,292,379,061.42 - Step 5: Solve for x
x = 383,292,379,061.42/640,449.48 - Step 6: Final answer
x = 598,474.03
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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.