Finding the Fourth Proportional to 778,948.60, 1,168,306.01 and 246,400.42
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Solution
The fourth proportional to 778,948.60, 1,168,306.01 and 246,400.42 is: 369,563.65
Step by Step Solution
- Step 1: Write the proportion equation
778,948.60 : 1,168,306.01 = 246,400.42 : x - Step 2: Convert to fraction form
778,948.60/1,168,306.01 = 246,400.42/x - Step 3: Cross multiply
778,948.60x = 1,168,306.01 × 246,400.42 - Step 4: Simplify right side
778,948.60x = 287,871,084,478.99 - Step 5: Solve for x
x = 287,871,084,478.99/778,948.60 - Step 6: Final answer
x = 369,563.65
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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.