Finding the Fourth Proportional to 605,114.10, 907,671.15 and 539,795.70
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Solution
The fourth proportional to 605,114.10, 907,671.15 and 539,795.70 is: 809,693.55
Step by Step Solution
- Step 1: Write the proportion equation
605,114.10 : 907,671.15 = 539,795.70 : x - Step 2: Convert to fraction form
605,114.10/907,671.15 = 539,795.70/x - Step 3: Cross multiply
605,114.10x = 907,671.15 × 539,795.70 - Step 4: Simplify right side
605,114.10x = 489,956,983,784.06 - Step 5: Solve for x
x = 489,956,983,784.06/605,114.10 - Step 6: Final answer
x = 809,693.55
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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.