Finding the Fourth Proportional to 528,987.82, 730,272.05 and 335,593.08
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Solution
The fourth proportional to 528,987.82, 730,272.05 and 335,593.08 is: 463,289.02
Step by Step Solution
- Step 1: Write the proportion equation
528,987.82 : 730,272.05 = 335,593.08 : x - Step 2: Convert to fraction form
528,987.82/730,272.05 = 335,593.08/x - Step 3: Cross multiply
528,987.82x = 730,272.05 × 335,593.08 - Step 4: Simplify right side
528,987.82x = 245,074,246,497.41 - Step 5: Solve for x
x = 245,074,246,497.41/528,987.82 - Step 6: Final answer
x = 463,289.02
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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.