Finding the Fourth Proportional to 910,240.18, 1,256,128.82 and 502,339.06
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Solution
The fourth proportional to 910,240.18, 1,256,128.82 and 502,339.06 is: 693,226.45
Step by Step Solution
- Step 1: Write the proportion equation
910,240.18 : 1,256,128.82 = 502,339.06 : x - Step 2: Convert to fraction form
910,240.18/1,256,128.82 = 502,339.06/x - Step 3: Cross multiply
910,240.18x = 1,256,128.82 × 502,339.06 - Step 4: Simplify right side
910,240.18x = 631,002,570,677.71 - Step 5: Solve for x
x = 631,002,570,677.71/910,240.18 - Step 6: Final answer
x = 693,226.45
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1.5x scale
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.