Finding the Fourth Proportional to 749,461.20, 1,034,281.08 and 409,929.48
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Solution
The fourth proportional to 749,461.20, 1,034,281.08 and 409,929.48 is: 565,716.15
Step by Step Solution
- Step 1: Write the proportion equation
749,461.20 : 1,034,281.08 = 409,929.48 : x - Step 2: Convert to fraction form
749,461.20/1,034,281.08 = 409,929.48/x - Step 3: Cross multiply
749,461.20x = 1,034,281.08 × 409,929.48 - Step 4: Simplify right side
749,461.20x = 423,982,305,298.24 - Step 5: Solve for x
x = 423,982,305,298.24/749,461.20 - Step 6: Final answer
x = 565,716.15
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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.