Finding the Fourth Proportional to 750,326.64, 1,125,148.68 and 323,660.40
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Solution
The fourth proportional to 750,326.64, 1,125,148.68 and 323,660.40 is: 485,343.39
Step by Step Solution
- Step 1: Write the proportion equation
750,326.64 : 1,125,148.68 = 323,660.40 : x - Step 2: Convert to fraction form
750,326.64/1,125,148.68 = 323,660.40/x - Step 3: Cross multiply
750,326.64x = 1,125,148.68 × 323,660.40 - Step 4: Simplify right side
750,326.64x = 364,166,071,828.27 - Step 5: Solve for x
x = 364,166,071,828.27/750,326.64 - Step 6: Final answer
x = 485,343.39
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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.