Finding the Fourth Proportional to 657,511.20, 986,266.80 and 608,303.70
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Solution
The fourth proportional to 657,511.20, 986,266.80 and 608,303.70 is: 912,455.55
Step by Step Solution
- Step 1: Write the proportion equation
657,511.20 : 986,266.80 = 608,303.70 : x - Step 2: Convert to fraction form
657,511.20/986,266.80 = 608,303.70/x - Step 3: Cross multiply
657,511.20x = 986,266.80 × 608,303.70 - Step 4: Simplify right side
657,511.20x = 599,949,743,627.16 - Step 5: Solve for x
x = 599,949,743,627.16/657,511.20 - Step 6: Final answer
x = 912,455.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.