Finding the Fourth Proportional to 566,437.15, 781,757.91 and 340,097.23
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Solution
The fourth proportional to 566,437.15, 781,757.91 and 340,097.23 is: 469,378.99
Step by Step Solution
- Step 1: Write the proportion equation
566,437.15 : 781,757.91 = 340,097.23 : x - Step 2: Convert to fraction form
566,437.15/781,757.91 = 340,097.23/x - Step 3: Cross multiply
566,437.15x = 781,757.91 × 340,097.23 - Step 4: Simplify right side
566,437.15x = 265,873,699,721.59 - Step 5: Solve for x
x = 265,873,699,721.59/566,437.15 - Step 6: Final answer
x = 469,378.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.