Finding the Fourth Proportional to 749,270.96, 1,124,072.51 and 349,693.74
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Solution
The fourth proportional to 749,270.96, 1,124,072.51 and 349,693.74 is: 524,618.12
Step by Step Solution
- Step 1: Write the proportion equation
749,270.96 : 1,124,072.51 = 349,693.74 : x - Step 2: Convert to fraction form
749,270.96/1,124,072.51 = 349,693.74/x - Step 3: Cross multiply
749,270.96x = 1,124,072.51 × 349,693.74 - Step 4: Simplify right side
749,270.96x = 393,081,118,304.62 - Step 5: Solve for x
x = 393,081,118,304.62/749,270.96 - Step 6: Final answer
x = 524,618.12
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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.