Finding the Fourth Proportional to 900,215.14, 1,241,711.46 and 577,413.94
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Solution
The fourth proportional to 900,215.14, 1,241,711.46 and 577,413.94 is: 796,455.73
Step by Step Solution
- Step 1: Write the proportion equation
900,215.14 : 1,241,711.46 = 577,413.94 : x - Step 2: Convert to fraction form
900,215.14/1,241,711.46 = 577,413.94/x - Step 3: Cross multiply
900,215.14x = 1,241,711.46 × 577,413.94 - Step 4: Simplify right side
900,215.14x = 716,981,506,461.75 - Step 5: Solve for x
x = 716,981,506,461.75/900,215.14 - Step 6: Final answer
x = 796,455.73
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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.