Finding the Fourth Proportional to 566,829.95, 782,260.70 and 312,181.07
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Solution
The fourth proportional to 566,829.95, 782,260.70 and 312,181.07 is: 430,829.35
Step by Step Solution
- Step 1: Write the proportion equation
566,829.95 : 782,260.70 = 312,181.07 : x - Step 2: Convert to fraction form
566,829.95/782,260.70 = 312,181.07/x - Step 3: Cross multiply
566,829.95x = 782,260.70 × 312,181.07 - Step 4: Simplify right side
566,829.95x = 244,206,976,872.74 - Step 5: Solve for x
x = 244,206,976,872.74/566,829.95 - Step 6: Final answer
x = 430,829.35
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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.