Finding the Fourth Proportional to 860,258.41, 1,187,223.11 and 516,107.23
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Solution
The fourth proportional to 860,258.41, 1,187,223.11 and 516,107.23 is: 712,267.87
Step by Step Solution
- Step 1: Write the proportion equation
860,258.41 : 1,187,223.11 = 516,107.23 : x - Step 2: Convert to fraction form
860,258.41/1,187,223.11 = 516,107.23/x - Step 3: Cross multiply
860,258.41x = 1,187,223.11 × 516,107.23 - Step 4: Simplify right side
860,258.41x = 612,734,428,113.55 - Step 5: Solve for x
x = 612,734,428,113.55/860,258.41 - Step 6: Final answer
x = 712,267.87
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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.