Finding the Fourth Proportional to 608,765.81, 840,121.56 and 336,829.28
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Solution
The fourth proportional to 608,765.81, 840,121.56 and 336,829.28 is: 464,838.09
Step by Step Solution
- Step 1: Write the proportion equation
608,765.81 : 840,121.56 = 336,829.28 : x - Step 2: Convert to fraction form
608,765.81/840,121.56 = 336,829.28/x - Step 3: Cross multiply
608,765.81x = 840,121.56 × 336,829.28 - Step 4: Simplify right side
608,765.81x = 282,977,535,966.67 - Step 5: Solve for x
x = 282,977,535,966.67/608,765.81 - Step 6: Final answer
x = 464,838.09
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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.