Finding the Fourth Proportional to 860,631.64, 1,187,671.68 and 473,452.44
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Solution
The fourth proportional to 860,631.64, 1,187,671.68 and 473,452.44 is: 653,364.38
Step by Step Solution
- Step 1: Write the proportion equation
860,631.64 : 1,187,671.68 = 473,452.44 : x - Step 2: Convert to fraction form
860,631.64/1,187,671.68 = 473,452.44/x - Step 3: Cross multiply
860,631.64x = 1,187,671.68 × 473,452.44 - Step 4: Simplify right side
860,631.64x = 562,306,054,814.90 - Step 5: Solve for x
x = 562,306,054,814.90/860,631.64 - Step 6: Final answer
x = 653,364.38
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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.