Finding the Fourth Proportional to 830,772.70, 1,246,159.05 and 531,591.10
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Solution
The fourth proportional to 830,772.70, 1,246,159.05 and 531,591.10 is: 797,386.65
Step by Step Solution
- Step 1: Write the proportion equation
830,772.70 : 1,246,159.05 = 531,591.10 : x - Step 2: Convert to fraction form
830,772.70/1,246,159.05 = 531,591.10/x - Step 3: Cross multiply
830,772.70x = 1,246,159.05 × 531,591.10 - Step 4: Simplify right side
830,772.70x = 662,447,060,164.46 - Step 5: Solve for x
x = 662,447,060,164.46/830,772.70 - Step 6: Final answer
x = 797,386.65
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Similar ratio
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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.