Finding the Fourth Proportional to 544,903.20, 817,840.80 and 319,982.40
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Solution
The fourth proportional to 544,903.20, 817,840.80 and 319,982.40 is: 480,258.99
Step by Step Solution
- Step 1: Write the proportion equation
544,903.20 : 817,840.80 = 319,982.40 : x - Step 2: Convert to fraction form
544,903.20/817,840.80 = 319,982.40/x - Step 3: Cross multiply
544,903.20x = 817,840.80 × 319,982.40 - Step 4: Simplify right side
544,903.20x = 261,694,662,001.92 - Step 5: Solve for x
x = 261,694,662,001.92/544,903.20 - Step 6: Final answer
x = 480,258.99
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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.