Finding the Fourth Proportional to 910,482.96, 1,256,466.74 and 502,585.07
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Solution
The fourth proportional to 910,482.96, 1,256,466.74 and 502,585.07 is: 693,567.53
Step by Step Solution
- Step 1: Write the proportion equation
910,482.96 : 1,256,466.74 = 502,585.07 : x - Step 2: Convert to fraction form
910,482.96/1,256,466.74 = 502,585.07/x - Step 3: Cross multiply
910,482.96x = 1,256,466.74 × 502,585.07 - Step 4: Simplify right side
910,482.96x = 631,481,415,680.31 - Step 5: Solve for x
x = 631,481,415,680.31/910,482.96 - Step 6: Final answer
x = 693,567.53
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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.