Finding the Fourth Proportional to 728,547.54, 1,092,823.36 and 255,122.19
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Solution
The fourth proportional to 728,547.54, 1,092,823.36 and 255,122.19 is: 382,684.00
Step by Step Solution
- Step 1: Write the proportion equation
728,547.54 : 1,092,823.36 = 255,122.19 : x - Step 2: Convert to fraction form
728,547.54/1,092,823.36 = 255,122.19/x - Step 3: Cross multiply
728,547.54x = 1,092,823.36 × 255,122.19 - Step 4: Simplify right side
728,547.54x = 278,803,483,422.24 - Step 5: Solve for x
x = 278,803,483,422.24/728,547.54 - Step 6: Final answer
x = 382,684.00
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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.