Finding the Fourth Proportional to 509,885.62, 703,642.74 and 283,526.26
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Solution
The fourth proportional to 509,885.62, 703,642.74 and 283,526.26 is: 391,266.56
Step by Step Solution
- Step 1: Write the proportion equation
509,885.62 : 703,642.74 = 283,526.26 : x - Step 2: Convert to fraction form
509,885.62/703,642.74 = 283,526.26/x - Step 3: Cross multiply
509,885.62x = 703,642.74 × 283,526.26 - Step 4: Simplify right side
509,885.62x = 199,501,194,448.35 - Step 5: Solve for x
x = 199,501,194,448.35/509,885.62 - Step 6: Final answer
x = 391,266.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.