Finding the Fourth Proportional to 885,433.19, 1,221,892.16 and 503,460
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Solution
The fourth proportional to 885,433.19, 1,221,892.16 and 503,460 is: 694,771.59
Step by Step Solution
- Step 1: Write the proportion equation
885,433.19 : 1,221,892.16 = 503,460 : x - Step 2: Convert to fraction form
885,433.19/1,221,892.16 = 503,460/x - Step 3: Cross multiply
885,433.19x = 1,221,892.16 × 503,460 - Step 4: Simplify right side
885,433.19x = 615,173,824,356.30 - Step 5: Solve for x
x = 615,173,824,356.30/885,433.19 - Step 6: Final answer
x = 694,771.59
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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.