Finding the Fourth Proportional to 900,091.91, 1,241,541.62 and 577,290.71
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Solution
The fourth proportional to 900,091.91, 1,241,541.62 and 577,290.71 is: 796,285.84
Step by Step Solution
- Step 1: Write the proportion equation
900,091.91 : 1,241,541.62 = 577,290.71 : x - Step 2: Convert to fraction form
900,091.91/1,241,541.62 = 577,290.71/x - Step 3: Cross multiply
900,091.91x = 1,241,541.62 × 577,290.71 - Step 4: Simplify right side
900,091.91x = 716,730,440,417.90 - Step 5: Solve for x
x = 716,730,440,417.90/900,091.91 - Step 6: Final answer
x = 796,285.84
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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.