Finding the Fourth Proportional to 943,858.91, 1,302,518.59 and 514,139.02
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Solution
The fourth proportional to 943,858.91, 1,302,518.59 and 514,139.02 is: 709,508.19
Step by Step Solution
- Step 1: Write the proportion equation
943,858.91 : 1,302,518.59 = 514,139.02 : x - Step 2: Convert to fraction form
943,858.91/1,302,518.59 = 514,139.02/x - Step 3: Cross multiply
943,858.91x = 1,302,518.59 × 514,139.02 - Step 4: Simplify right side
943,858.91x = 669,675,626,852.74 - Step 5: Solve for x
x = 669,675,626,852.74/943,858.91 - Step 6: Final answer
x = 709,508.19
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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.