Finding the Fourth Proportional to 870,122.26, 1,305,130.74 and 517,381.06
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Solution
The fourth proportional to 870,122.26, 1,305,130.74 and 517,381.06 is: 776,040.28
Step by Step Solution
- Step 1: Write the proportion equation
870,122.26 : 1,305,130.74 = 517,381.06 : x - Step 2: Convert to fraction form
870,122.26/1,305,130.74 = 517,381.06/x - Step 3: Cross multiply
870,122.26x = 1,305,130.74 × 517,381.06 - Step 4: Simplify right side
870,122.26x = 675,249,925,699.78 - Step 5: Solve for x
x = 675,249,925,699.78/870,122.26 - Step 6: Final answer
x = 776,040.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.