Finding the Fourth Proportional to 658,014.07, 987,020.99 and 358,746.31
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Solution
The fourth proportional to 658,014.07, 987,020.99 and 358,746.31 is: 538,119.41
Step by Step Solution
- Step 1: Write the proportion equation
658,014.07 : 987,020.99 = 358,746.31 : x - Step 2: Convert to fraction form
658,014.07/987,020.99 = 358,746.31/x - Step 3: Cross multiply
658,014.07x = 987,020.99 × 358,746.31 - Step 4: Simplify right side
658,014.07x = 354,090,138,728.87 - Step 5: Solve for x
x = 354,090,138,728.87/658,014.07 - Step 6: Final answer
x = 538,119.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.