Finding the Fourth Proportional to 657,548.20, 984,248.70 and 636,812.20
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Solution
The fourth proportional to 657,548.20, 984,248.70 and 636,812.20 is: 953,210.09
Step by Step Solution
- Step 1: Write the proportion equation
657,548.20 : 984,248.70 = 636,812.20 : x - Step 2: Convert to fraction form
657,548.20/984,248.70 = 636,812.20/x - Step 3: Cross multiply
657,548.20x = 984,248.70 × 636,812.20 - Step 4: Simplify right side
657,548.20x = 626,781,579,994.14 - Step 5: Solve for x
x = 626,781,579,994.14/657,548.20 - Step 6: Final answer
x = 953,210.09
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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.