Finding the Fourth Proportional to 953,705.99, 1,316,093.10 and 518,112.08
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Solution
The fourth proportional to 953,705.99, 1,316,093.10 and 518,112.08 is: 714,983.17
Step by Step Solution
- Step 1: Write the proportion equation
953,705.99 : 1,316,093.10 = 518,112.08 : x - Step 2: Convert to fraction form
953,705.99/1,316,093.10 = 518,112.08/x - Step 3: Cross multiply
953,705.99x = 1,316,093.10 × 518,112.08 - Step 4: Simplify right side
953,705.99x = 681,883,733,514.65 - Step 5: Solve for x
x = 681,883,733,514.65/953,705.99 - Step 6: Final answer
x = 714,983.17
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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.