Finding the Fourth Proportional to 566,901.74, 782,315.01 and 312,276.62
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Solution
The fourth proportional to 566,901.74, 782,315.01 and 312,276.62 is: 430,936.56
Step by Step Solution
- Step 1: Write the proportion equation
566,901.74 : 782,315.01 = 312,276.62 : x - Step 2: Convert to fraction form
566,901.74/782,315.01 = 312,276.62/x - Step 3: Cross multiply
566,901.74x = 782,315.01 × 312,276.62 - Step 4: Simplify right side
566,901.74x = 244,298,687,098.07 - Step 5: Solve for x
x = 244,298,687,098.07/566,901.74 - Step 6: Final answer
x = 430,936.56
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1.5x scale
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.