Finding the Fourth Proportional to 745,209.24, 1,114,380.26 and 553,445.80
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Solution
The fourth proportional to 745,209.24, 1,114,380.26 and 553,445.80 is: 827,618.66
Step by Step Solution
- Step 1: Write the proportion equation
745,209.24 : 1,114,380.26 = 553,445.80 : x - Step 2: Convert to fraction form
745,209.24/1,114,380.26 = 553,445.80/x - Step 3: Cross multiply
745,209.24x = 1,114,380.26 × 553,445.80 - Step 4: Simplify right side
745,209.24x = 616,749,074,499.91 - Step 5: Solve for x
x = 616,749,074,499.91/745,209.24 - Step 6: Final answer
x = 827,618.66
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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.