Finding the Fourth Proportional to 860,332.92, 1,187,197.69 and 473,175.19
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Solution
The fourth proportional to 860,332.92, 1,187,197.69 and 473,175.19 is: 652,947.81
Step by Step Solution
- Step 1: Write the proportion equation
860,332.92 : 1,187,197.69 = 473,175.19 : x - Step 2: Convert to fraction form
860,332.92/1,187,197.69 = 473,175.19/x - Step 3: Cross multiply
860,332.92x = 1,187,197.69 × 473,175.19 - Step 4: Simplify right side
860,332.92x = 561,752,492,533.31 - Step 5: Solve for x
x = 561,752,492,533.31/860,332.92 - Step 6: Final answer
x = 652,947.81
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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.