Finding the Fourth Proportional to 684,072.68, 944,284.26 and 612,326.12
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Solution
The fourth proportional to 684,072.68, 944,284.26 and 612,326.12 is: 845,246.32
Step by Step Solution
- Step 1: Write the proportion equation
684,072.68 : 944,284.26 = 612,326.12 : x - Step 2: Convert to fraction form
684,072.68/944,284.26 = 612,326.12/x - Step 3: Cross multiply
684,072.68x = 944,284.26 × 612,326.12 - Step 4: Simplify right side
684,072.68x = 578,209,917,102.87 - Step 5: Solve for x
x = 578,209,917,102.87/684,072.68 - Step 6: Final answer
x = 845,246.32
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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.