Finding the Fourth Proportional to 893,060.10, 1,232,418 and 485,158.68
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Solution
The fourth proportional to 893,060.10, 1,232,418 and 485,158.68 is: 669,516.30
Step by Step Solution
- Step 1: Write the proportion equation
893,060.10 : 1,232,418 = 485,158.68 : x - Step 2: Convert to fraction form
893,060.10/1,232,418 = 485,158.68/x - Step 3: Cross multiply
893,060.10x = 1,232,418 × 485,158.68 - Step 4: Simplify right side
893,060.10x = 597,918,290,088.24 - Step 5: Solve for x
x = 597,918,290,088.24/893,060.10 - Step 6: Final answer
x = 669,516.30
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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.