Finding the Fourth Proportional to 684,116.88, 1,026,209.88 and 211,125.84
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Solution
The fourth proportional to 684,116.88, 1,026,209.88 and 211,125.84 is: 316,699.43
Step by Step Solution
- Step 1: Write the proportion equation
684,116.88 : 1,026,209.88 = 211,125.84 : x - Step 2: Convert to fraction form
684,116.88/1,026,209.88 = 211,125.84/x - Step 3: Cross multiply
684,116.88x = 1,026,209.88 × 211,125.84 - Step 4: Simplify right side
684,116.88x = 216,659,422,931.30 - Step 5: Solve for x
x = 216,659,422,931.30/684,116.88 - Step 6: Final answer
x = 316,699.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.