Finding the Fourth Proportional to 553,533.84, 763,858.62 and 349,693.29
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Solution
The fourth proportional to 553,533.84, 763,858.62 and 349,693.29 is: 482,565.32
Step by Step Solution
- Step 1: Write the proportion equation
553,533.84 : 763,858.62 = 349,693.29 : x - Step 2: Convert to fraction form
553,533.84/763,858.62 = 349,693.29/x - Step 3: Cross multiply
553,533.84x = 763,858.62 × 349,693.29 - Step 4: Simplify right side
553,533.84x = 267,116,233,922.66 - Step 5: Solve for x
x = 267,116,233,922.66/553,533.84 - Step 6: Final answer
x = 482,565.32
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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.