Finding the Fourth Proportional to 870,612.03, 1,201,520.05 and 483,502.10
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Solution
The fourth proportional to 870,612.03, 1,201,520.05 and 483,502.10 is: 667,274.79
Step by Step Solution
- Step 1: Write the proportion equation
870,612.03 : 1,201,520.05 = 483,502.10 : x - Step 2: Convert to fraction form
870,612.03/1,201,520.05 = 483,502.10/x - Step 3: Cross multiply
870,612.03x = 1,201,520.05 × 483,502.10 - Step 4: Simplify right side
870,612.03x = 580,937,461,359.51 - Step 5: Solve for x
x = 580,937,461,359.51/870,612.03 - Step 6: Final answer
x = 667,274.79
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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.