Finding the Fourth Proportional to 887,635.08, 1,224,934.74 and 485,227.08
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Solution
The fourth proportional to 887,635.08, 1,224,934.74 and 485,227.08 is: 669,612.46
Step by Step Solution
- Step 1: Write the proportion equation
887,635.08 : 1,224,934.74 = 485,227.08 : x - Step 2: Convert to fraction form
887,635.08/1,224,934.74 = 485,227.08/x - Step 3: Cross multiply
887,635.08x = 1,224,934.74 × 485,227.08 - Step 4: Simplify right side
887,635.08x = 594,371,507,080.76 - Step 5: Solve for x
x = 594,371,507,080.76/887,635.08 - Step 6: Final answer
x = 669,612.46
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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.