Finding the Fourth Proportional to 880,189.92, 1,214,681.40 and 536,041.98
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Solution
The fourth proportional to 880,189.92, 1,214,681.40 and 536,041.98 is: 739,749.69
Step by Step Solution
- Step 1: Write the proportion equation
880,189.92 : 1,214,681.40 = 536,041.98 : x - Step 2: Convert to fraction form
880,189.92/1,214,681.40 = 536,041.98/x - Step 3: Cross multiply
880,189.92x = 1,214,681.40 × 536,041.98 - Step 4: Simplify right side
880,189.92x = 651,120,222,725.17 - Step 5: Solve for x
x = 651,120,222,725.17/880,189.92 - Step 6: Final answer
x = 739,749.69
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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.