Finding the Fourth Proportional to 620,538.84, 856,670.58 and 417,656.52
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Solution
The fourth proportional to 620,538.84, 856,670.58 and 417,656.52 is: 576,586.07
Step by Step Solution
- Step 1: Write the proportion equation
620,538.84 : 856,670.58 = 417,656.52 : x - Step 2: Convert to fraction form
620,538.84/856,670.58 = 417,656.52/x - Step 3: Cross multiply
620,538.84x = 856,670.58 × 417,656.52 - Step 4: Simplify right side
620,538.84x = 357,794,053,229.18 - Step 5: Solve for x
x = 357,794,053,229.18/620,538.84 - Step 6: Final answer
x = 576,586.07
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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.