Finding the Fourth Proportional to 936,721.13, 1,292,357.97 and 609,884.91
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Solution
The fourth proportional to 936,721.13, 1,292,357.97 and 609,884.91 is: 841,434.66
Step by Step Solution
- Step 1: Write the proportion equation
936,721.13 : 1,292,357.97 = 609,884.91 : x - Step 2: Convert to fraction form
936,721.13/1,292,357.97 = 609,884.91/x - Step 3: Cross multiply
936,721.13x = 1,292,357.97 × 609,884.91 - Step 4: Simplify right side
936,721.13x = 788,189,624,221.23 - Step 5: Solve for x
x = 788,189,624,221.23/936,721.13 - Step 6: Final answer
x = 841,434.66
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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.