Finding the Fourth Proportional to 750,284.96, 1,035,491.76 and 427,921.20
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Solution
The fourth proportional to 750,284.96, 1,035,491.76 and 427,921.20 is: 590,587.44
Step by Step Solution
- Step 1: Write the proportion equation
750,284.96 : 1,035,491.76 = 427,921.20 : x - Step 2: Convert to fraction form
750,284.96/1,035,491.76 = 427,921.20/x - Step 3: Cross multiply
750,284.96x = 1,035,491.76 × 427,921.20 - Step 4: Simplify right side
750,284.96x = 443,108,876,529.31 - Step 5: Solve for x
x = 443,108,876,529.31/750,284.96 - Step 6: Final answer
x = 590,587.44
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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.