Finding the Fourth Proportional to 539,107.20, 808,660.80 and 497,116.80
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Solution
The fourth proportional to 539,107.20, 808,660.80 and 497,116.80 is: 745,675.20
Step by Step Solution
- Step 1: Write the proportion equation
539,107.20 : 808,660.80 = 497,116.80 : x - Step 2: Convert to fraction form
539,107.20/808,660.80 = 497,116.80/x - Step 3: Cross multiply
539,107.20x = 808,660.80 × 497,116.80 - Step 4: Simplify right side
539,107.20x = 401,998,869,181.44 - Step 5: Solve for x
x = 401,998,869,181.44/539,107.20 - Step 6: Final answer
x = 745,675.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.