Finding the Fourth Proportional to 654,993.84, 903,842.82 and 368,458.68
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Solution
The fourth proportional to 654,993.84, 903,842.82 and 368,458.68 is: 508,445.59
Step by Step Solution
- Step 1: Write the proportion equation
654,993.84 : 903,842.82 = 368,458.68 : x - Step 2: Convert to fraction form
654,993.84/903,842.82 = 368,458.68/x - Step 3: Cross multiply
654,993.84x = 903,842.82 × 368,458.68 - Step 4: Simplify right side
654,993.84x = 333,028,732,384.68 - Step 5: Solve for x
x = 333,028,732,384.68/654,993.84 - Step 6: Final answer
x = 508,445.59
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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.