Finding the Fourth Proportional to 602,780.78, 904,328.74 and 349,818.09
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Solution
The fourth proportional to 602,780.78, 904,328.74 and 349,818.09 is: 524,818.58
Step by Step Solution
- Step 1: Write the proportion equation
602,780.78 : 904,328.74 = 349,818.09 : x - Step 2: Convert to fraction form
602,780.78/904,328.74 = 349,818.09/x - Step 3: Cross multiply
602,780.78x = 904,328.74 × 349,818.09 - Step 4: Simplify right side
602,780.78x = 316,350,552,558.91 - Step 5: Solve for x
x = 316,350,552,558.91/602,780.78 - Step 6: Final answer
x = 524,818.58
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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.