Finding the Fourth Proportional to 554,433.76, 765,237.18 and 350,354.80
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Solution
The fourth proportional to 554,433.76, 765,237.18 and 350,354.80 is: 483,564.56
Step by Step Solution
- Step 1: Write the proportion equation
554,433.76 : 765,237.18 = 350,354.80 : x - Step 2: Convert to fraction form
554,433.76/765,237.18 = 350,354.80/x - Step 3: Cross multiply
554,433.76x = 765,237.18 × 350,354.80 - Step 4: Simplify right side
554,433.76x = 268,104,519,151.46 - Step 5: Solve for x
x = 268,104,519,151.46/554,433.76 - Step 6: Final answer
x = 483,564.56
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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.