Finding the Fourth Proportional to 710,272.68, 980,205.12 and 408,466.68
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Solution
The fourth proportional to 710,272.68, 980,205.12 and 408,466.68 is: 563,700.59
Step by Step Solution
- Step 1: Write the proportion equation
710,272.68 : 980,205.12 = 408,466.68 : x - Step 2: Convert to fraction form
710,272.68/980,205.12 = 408,466.68/x - Step 3: Cross multiply
710,272.68x = 980,205.12 × 408,466.68 - Step 4: Simplify right side
710,272.68x = 400,381,131,085.40 - Step 5: Solve for x
x = 400,381,131,085.40/710,272.68 - Step 6: Final answer
x = 563,700.59
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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.