Finding the Fourth Proportional to 539,298.40, 744,230.91 and 297,580.78
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Solution
The fourth proportional to 539,298.40, 744,230.91 and 297,580.78 is: 410,660.99
Step by Step Solution
- Step 1: Write the proportion equation
539,298.40 : 744,230.91 = 297,580.78 : x - Step 2: Convert to fraction form
539,298.40/744,230.91 = 297,580.78/x - Step 3: Cross multiply
539,298.40x = 744,230.91 × 297,580.78 - Step 4: Simplify right side
539,298.40x = 221,468,814,697.91 - Step 5: Solve for x
x = 221,468,814,697.91/539,298.40 - Step 6: Final answer
x = 410,660.99
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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.