Finding the Fourth Proportional to 469,430.80, 702,979.80 and 376,118.80
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Solution
The fourth proportional to 469,430.80, 702,979.80 and 376,118.80 is: 563,243.65
Step by Step Solution
- Step 1: Write the proportion equation
469,430.80 : 702,979.80 = 376,118.80 : x - Step 2: Convert to fraction form
469,430.80/702,979.80 = 376,118.80/x - Step 3: Cross multiply
469,430.80x = 702,979.80 × 376,118.80 - Step 4: Simplify right side
469,430.80x = 264,403,918,800.24 - Step 5: Solve for x
x = 264,403,918,800.24/469,430.80 - Step 6: Final answer
x = 563,243.65
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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.