Finding the Fourth Proportional to 968,517.84, 1,336,548.28 and 532,961.81
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Solution
The fourth proportional to 968,517.84, 1,336,548.28 and 532,961.81 is: 735,483.81
Step by Step Solution
- Step 1: Write the proportion equation
968,517.84 : 1,336,548.28 = 532,961.81 : x - Step 2: Convert to fraction form
968,517.84/1,336,548.28 = 532,961.81/x - Step 3: Cross multiply
968,517.84x = 1,336,548.28 × 532,961.81 - Step 4: Simplify right side
968,517.84x = 712,329,190,461.19 - Step 5: Solve for x
x = 712,329,190,461.19/968,517.84 - Step 6: Final answer
x = 735,483.81
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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.