Finding the Fourth Proportional to 910,393.29, 1,256,397.35 and 508,011.21
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Solution
The fourth proportional to 910,393.29, 1,256,397.35 and 508,011.21 is: 701,085.94
Step by Step Solution
- Step 1: Write the proportion equation
910,393.29 : 1,256,397.35 = 508,011.21 : x - Step 2: Convert to fraction form
910,393.29/1,256,397.35 = 508,011.21/x - Step 3: Cross multiply
910,393.29x = 1,256,397.35 × 508,011.21 - Step 4: Simplify right side
910,393.29x = 638,263,935,474.24 - Step 5: Solve for x
x = 638,263,935,474.24/910,393.29 - Step 6: Final answer
x = 701,085.94
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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.