Finding the Fourth Proportional to 680,536.64, 1,020,959.87 and 207,258.90
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Solution
The fourth proportional to 680,536.64, 1,020,959.87 and 207,258.90 is: 310,935.53
Step by Step Solution
- Step 1: Write the proportion equation
680,536.64 : 1,020,959.87 = 207,258.90 : x - Step 2: Convert to fraction form
680,536.64/1,020,959.87 = 207,258.90/x - Step 3: Cross multiply
680,536.64x = 1,020,959.87 × 207,258.90 - Step 4: Simplify right side
680,536.64x = 211,603,018,564.05 - Step 5: Solve for x
x = 211,603,018,564.05/680,536.64 - Step 6: Final answer
x = 310,935.53
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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.