Finding the Fourth Proportional to 894,760.13, 1,234,768.98 and 492,352.13
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Solution
The fourth proportional to 894,760.13, 1,234,768.98 and 492,352.13 is: 679,445.94
Step by Step Solution
- Step 1: Write the proportion equation
894,760.13 : 1,234,768.98 = 492,352.13 : x - Step 2: Convert to fraction form
894,760.13/1,234,768.98 = 492,352.13/x - Step 3: Cross multiply
894,760.13x = 1,234,768.98 × 492,352.13 - Step 4: Simplify right side
894,760.13x = 607,941,137,360.93 - Step 5: Solve for x
x = 607,941,137,360.93/894,760.13 - Step 6: Final answer
x = 679,445.94
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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.