Finding the Fourth Proportional to 790,094.92, 1,090,140.68 and 479,988.50
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Solution
The fourth proportional to 790,094.92, 1,090,140.68 and 479,988.50 is: 662,268.52
Step by Step Solution
- Step 1: Write the proportion equation
790,094.92 : 1,090,140.68 = 479,988.50 : x - Step 2: Convert to fraction form
790,094.92/1,090,140.68 = 479,988.50/x - Step 3: Cross multiply
790,094.92x = 1,090,140.68 × 479,988.50 - Step 4: Simplify right side
790,094.92x = 523,254,989,782.18 - Step 5: Solve for x
x = 523,254,989,782.18/790,094.92 - Step 6: Final answer
x = 662,268.52
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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.