Finding the Fourth Proportional to 910,851.84, 1,256,929.92 and 508,366.08
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Solution
The fourth proportional to 910,851.84, 1,256,929.92 and 508,366.08 is: 701,519.73
Step by Step Solution
- Step 1: Write the proportion equation
910,851.84 : 1,256,929.92 = 508,366.08 : x - Step 2: Convert to fraction form
910,851.84/1,256,929.92 = 508,366.08/x - Step 3: Cross multiply
910,851.84x = 1,256,929.92 × 508,366.08 - Step 4: Simplify right side
910,851.84x = 638,980,536,265.11 - Step 5: Solve for x
x = 638,980,536,265.11/910,851.84 - Step 6: Final answer
x = 701,519.73
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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.