Finding the Fourth Proportional to 772,054.22, 1,158,226.94 and 292,425.62
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Solution
The fourth proportional to 772,054.22, 1,158,226.94 and 292,425.62 is: 438,693.57
Step by Step Solution
- Step 1: Write the proportion equation
772,054.22 : 1,158,226.94 = 292,425.62 : x - Step 2: Convert to fraction form
772,054.22/1,158,226.94 = 292,425.62/x - Step 3: Cross multiply
772,054.22x = 1,158,226.94 × 292,425.62 - Step 4: Simplify right side
772,054.22x = 338,695,225,970.13 - Step 5: Solve for x
x = 338,695,225,970.13/772,054.22 - Step 6: Final answer
x = 438,693.57
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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.