Finding the Fourth Proportional to 613,924.58, 921,515.28 and 506,967.75
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Solution
The fourth proportional to 613,924.58, 921,515.28 and 506,967.75 is: 760,970.55
Step by Step Solution
- Step 1: Write the proportion equation
613,924.58 : 921,515.28 = 506,967.75 : x - Step 2: Convert to fraction form
613,924.58/921,515.28 = 506,967.75/x - Step 3: Cross multiply
613,924.58x = 921,515.28 × 506,967.75 - Step 4: Simplify right side
613,924.58x = 467,178,525,557.38 - Step 5: Solve for x
x = 467,178,525,557.38/613,924.58 - Step 6: Final answer
x = 760,970.55
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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.