Finding the Fourth Proportional to 689,341.24, 951,427.44 and 447,284.08
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Solution
The fourth proportional to 689,341.24, 951,427.44 and 447,284.08 is: 617,340.62
Step by Step Solution
- Step 1: Write the proportion equation
689,341.24 : 951,427.44 = 447,284.08 : x - Step 2: Convert to fraction form
689,341.24/951,427.44 = 447,284.08/x - Step 3: Cross multiply
689,341.24x = 951,427.44 × 447,284.08 - Step 4: Simplify right side
689,341.24x = 425,558,347,187.16 - Step 5: Solve for x
x = 425,558,347,187.16/689,341.24 - Step 6: Final answer
x = 617,340.62
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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.