Finding the Fourth Proportional to 952,430.76, 1,428,679.08 and 478,857.96
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Solution
The fourth proportional to 952,430.76, 1,428,679.08 and 478,857.96 is: 718,303.50
Step by Step Solution
- Step 1: Write the proportion equation
952,430.76 : 1,428,679.08 = 478,857.96 : x - Step 2: Convert to fraction form
952,430.76/1,428,679.08 = 478,857.96/x - Step 3: Cross multiply
952,430.76x = 1,428,679.08 × 478,857.96 - Step 4: Simplify right side
952,430.76x = 684,134,349,743.48 - Step 5: Solve for x
x = 684,134,349,743.48/952,430.76 - Step 6: Final answer
x = 718,303.50
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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.