Finding the Fourth Proportional to 554,908.62, 766,291.36 and 408,430.19
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Solution
The fourth proportional to 554,908.62, 766,291.36 and 408,430.19 is: 564,014.53
Step by Step Solution
- Step 1: Write the proportion equation
554,908.62 : 766,291.36 = 408,430.19 : x - Step 2: Convert to fraction form
554,908.62/766,291.36 = 408,430.19/x - Step 3: Cross multiply
554,908.62x = 766,291.36 × 408,430.19 - Step 4: Simplify right side
554,908.62x = 312,976,519,886.55 - Step 5: Solve for x
x = 312,976,519,886.55/554,908.62 - Step 6: Final answer
x = 564,014.53
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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.