Finding the Fourth Proportional to 807,813.10, 1,128,726.50 and 807,813.10
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Solution
The fourth proportional to 807,813.10, 1,128,726.50 and 807,813.10 is: 1,128,726.50
Step by Step Solution
- Step 1: Write the proportion equation
807,813.10 : 1,128,726.50 = 807,813.10 : x - Step 2: Convert to fraction form
807,813.10/1,128,726.50 = 807,813.10/x - Step 3: Cross multiply
807,813.10x = 1,128,726.50 × 807,813.10 - Step 4: Simplify right side
807,813.10x = 911,800,053,017.15 - Step 5: Solve for x
x = 911,800,053,017.15/807,813.10 - Step 6: Final answer
x = 1,128,726.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.