Finding the Fourth Proportional to 868,504.05, 1,198,534.68 and 486,533.52
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Solution
The fourth proportional to 868,504.05, 1,198,534.68 and 486,533.52 is: 671,415.75
Step by Step Solution
- Step 1: Write the proportion equation
868,504.05 : 1,198,534.68 = 486,533.52 : x - Step 2: Convert to fraction form
868,504.05/1,198,534.68 = 486,533.52/x - Step 3: Cross multiply
868,504.05x = 1,198,534.68 × 486,533.52 - Step 4: Simplify right side
868,504.05x = 583,127,296,702.47 - Step 5: Solve for x
x = 583,127,296,702.47/868,504.05 - Step 6: Final answer
x = 671,415.75
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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.