Finding the Fourth Proportional to 566,789.24, 782,159.70 and 312,164.12
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Solution
The fourth proportional to 566,789.24, 782,159.70 and 312,164.12 is: 430,781.28
Step by Step Solution
- Step 1: Write the proportion equation
566,789.24 : 782,159.70 = 312,164.12 : x - Step 2: Convert to fraction form
566,789.24/782,159.70 = 312,164.12/x - Step 3: Cross multiply
566,789.24x = 782,159.70 × 312,164.12 - Step 4: Simplify right side
566,789.24x = 244,162,194,449.96 - Step 5: Solve for x
x = 244,162,194,449.96/566,789.24 - Step 6: Final answer
x = 430,781.28
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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.