Finding the Fourth Proportional to 506,729.49, 699,539.91 and 291,828.06
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Solution
The fourth proportional to 506,729.49, 699,539.91 and 291,828.06 is: 402,868.55
Step by Step Solution
- Step 1: Write the proportion equation
506,729.49 : 699,539.91 = 291,828.06 : x - Step 2: Convert to fraction form
506,729.49/699,539.91 = 291,828.06/x - Step 3: Cross multiply
506,729.49x = 699,539.91 × 291,828.06 - Step 4: Simplify right side
506,729.49x = 204,145,374,827.88 - Step 5: Solve for x
x = 204,145,374,827.88/506,729.49 - Step 6: Final answer
x = 402,868.55
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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.