Finding the Fourth Proportional to 658,587.99, 908,858.46 and 386,659.14
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Solution
The fourth proportional to 658,587.99, 908,858.46 and 386,659.14 is: 533,593.74
Step by Step Solution
- Step 1: Write the proportion equation
658,587.99 : 908,858.46 = 386,659.14 : x - Step 2: Convert to fraction form
658,587.99/908,858.46 = 386,659.14/x - Step 3: Cross multiply
658,587.99x = 908,858.46 × 386,659.14 - Step 4: Simplify right side
658,587.99x = 351,418,430,525.32 - Step 5: Solve for x
x = 351,418,430,525.32/658,587.99 - Step 6: Final answer
x = 533,593.74
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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.