Finding the Fourth Proportional to 502,058.68, 693,130.72 and 380,988.18
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Solution
The fourth proportional to 502,058.68, 693,130.72 and 380,988.18 is: 525,983.56
Step by Step Solution
- Step 1: Write the proportion equation
502,058.68 : 693,130.72 = 380,988.18 : x - Step 2: Convert to fraction form
502,058.68/693,130.72 = 380,988.18/x - Step 3: Cross multiply
502,058.68x = 693,130.72 × 380,988.18 - Step 4: Simplify right side
502,058.68x = 264,074,611,514.89 - Step 5: Solve for x
x = 264,074,611,514.89/502,058.68 - Step 6: Final answer
x = 525,983.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.