Finding the Fourth Proportional to 658,264.08, 908,356.86 and 386,342.76
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Solution
The fourth proportional to 658,264.08, 908,356.86 and 386,342.76 is: 533,125.09
Step by Step Solution
- Step 1: Write the proportion equation
658,264.08 : 908,356.86 = 386,342.76 : x - Step 2: Convert to fraction form
658,264.08/908,356.86 = 386,342.76/x - Step 3: Cross multiply
658,264.08x = 908,356.86 × 386,342.76 - Step 4: Simplify right side
658,264.08x = 350,937,096,357.33 - Step 5: Solve for x
x = 350,937,096,357.33/658,264.08 - Step 6: Final answer
x = 533,125.09
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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.