Finding the Fourth Proportional to 805,448.60, 1,208,089.68 and 272,955.80
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Solution
The fourth proportional to 805,448.60, 1,208,089.68 and 272,955.80 is: 409,405.50
Step by Step Solution
- Step 1: Write the proportion equation
805,448.60 : 1,208,089.68 = 272,955.80 : x - Step 2: Convert to fraction form
805,448.60/1,208,089.68 = 272,955.80/x - Step 3: Cross multiply
805,448.60x = 1,208,089.68 × 272,955.80 - Step 4: Simplify right side
805,448.60x = 329,755,085,076.14 - Step 5: Solve for x
x = 329,755,085,076.14/805,448.60 - Step 6: Final answer
x = 409,405.50
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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.