Finding the Fourth Proportional to 713,029.76, 1,069,546.08 and 292,230.08
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Solution
The fourth proportional to 713,029.76, 1,069,546.08 and 292,230.08 is: 438,345.71
Step by Step Solution
- Step 1: Write the proportion equation
713,029.76 : 1,069,546.08 = 292,230.08 : x - Step 2: Convert to fraction form
713,029.76/1,069,546.08 = 292,230.08/x - Step 3: Cross multiply
713,029.76x = 1,069,546.08 × 292,230.08 - Step 4: Simplify right side
713,029.76x = 312,553,536,522.09 - Step 5: Solve for x
x = 312,553,536,522.09/713,029.76 - Step 6: Final answer
x = 438,345.71
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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.