Finding the Fourth Proportional to 745,130.08, 1,117,695.48 and 246,494.08
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Solution
The fourth proportional to 745,130.08, 1,117,695.48 and 246,494.08 is: 369,741.24
Step by Step Solution
- Step 1: Write the proportion equation
745,130.08 : 1,117,695.48 = 246,494.08 : x - Step 2: Convert to fraction form
745,130.08/1,117,695.48 = 246,494.08/x - Step 3: Cross multiply
745,130.08x = 1,117,695.48 × 246,494.08 - Step 4: Simplify right side
745,130.08x = 275,505,319,062.76 - Step 5: Solve for x
x = 275,505,319,062.76/745,130.08 - Step 6: Final answer
x = 369,741.24
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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.