Finding the Fourth Proportional to 515,570.43, 773,055.93 and 344,987.08
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Solution
The fourth proportional to 515,570.43, 773,055.93 and 344,987.08 is: 517,280.07
Step by Step Solution
- Step 1: Write the proportion equation
515,570.43 : 773,055.93 = 344,987.08 : x - Step 2: Convert to fraction form
515,570.43/773,055.93 = 344,987.08/x - Step 3: Cross multiply
515,570.43x = 773,055.93 × 344,987.08 - Step 4: Simplify right side
515,570.43x = 266,694,306,417.09 - Step 5: Solve for x
x = 266,694,306,417.09/515,570.43 - Step 6: Final answer
x = 517,280.07
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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.