Finding the Fourth Proportional to 613,924.64, 921,515.37 and 506,967.81
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Solution
The fourth proportional to 613,924.64, 921,515.37 and 506,967.81 is: 760,970.65
Step by Step Solution
- Step 1: Write the proportion equation
613,924.64 : 921,515.37 = 506,967.81 : x - Step 2: Convert to fraction form
613,924.64/921,515.37 = 506,967.81/x - Step 3: Cross multiply
613,924.64x = 921,515.37 × 506,967.81 - Step 4: Simplify right side
613,924.64x = 467,178,629,010.24 - Step 5: Solve for x
x = 467,178,629,010.24/613,924.64 - Step 6: Final answer
x = 760,970.65
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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.