Finding the Fourth Proportional to 1,020,708.47, 1,531,284.14 and 310,718.06
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Solution
The fourth proportional to 1,020,708.47, 1,531,284.14 and 310,718.06 is: 466,144.50
Step by Step Solution
- Step 1: Write the proportion equation
1,020,708.47 : 1,531,284.14 = 310,718.06 : x - Step 2: Convert to fraction form
1,020,708.47/1,531,284.14 = 310,718.06/x - Step 3: Cross multiply
1,020,708.47x = 1,531,284.14 × 310,718.06 - Step 4: Simplify right side
1,020,708.47x = 475,797,639,564.19 - Step 5: Solve for x
x = 475,797,639,564.19/1,020,708.47 - Step 6: Final answer
x = 466,144.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.