Finding the Fourth Proportional to 968,929.61, 1,335,737.12 and 681,557.81
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Solution
The fourth proportional to 968,929.61, 1,335,737.12 and 681,557.81 is: 939,575.02
Step by Step Solution
- Step 1: Write the proportion equation
968,929.61 : 1,335,737.12 = 681,557.81 : x - Step 2: Convert to fraction form
968,929.61/1,335,737.12 = 681,557.81/x - Step 3: Cross multiply
968,929.61x = 1,335,737.12 × 681,557.81 - Step 4: Simplify right side
968,929.61x = 910,382,056,156.43 - Step 5: Solve for x
x = 910,382,056,156.43/968,929.61 - Step 6: Final answer
x = 939,575.02
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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.