Finding the Fourth Proportional to 847,387.06, 1,169,395.13 and 460,202.74
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Solution
The fourth proportional to 847,387.06, 1,169,395.13 and 460,202.74 is: 635,080.32
Step by Step Solution
- Step 1: Write the proportion equation
847,387.06 : 1,169,395.13 = 460,202.74 : x - Step 2: Convert to fraction form
847,387.06/1,169,395.13 = 460,202.74/x - Step 3: Cross multiply
847,387.06x = 1,169,395.13 × 460,202.74 - Step 4: Simplify right side
847,387.06x = 538,158,842,968.66 - Step 5: Solve for x
x = 538,158,842,968.66/847,387.06 - Step 6: Final answer
x = 635,080.32
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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.