Finding the Fourth Proportional to 554,934.04, 765,810.99 and 300,285.23
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Solution
The fourth proportional to 554,934.04, 765,810.99 and 300,285.23 is: 414,394.70
Step by Step Solution
- Step 1: Write the proportion equation
554,934.04 : 765,810.99 = 300,285.23 : x - Step 2: Convert to fraction form
554,934.04/765,810.99 = 300,285.23/x - Step 3: Cross multiply
554,934.04x = 765,810.99 × 300,285.23 - Step 4: Simplify right side
554,934.04x = 229,961,725,439.62 - Step 5: Solve for x
x = 229,961,725,439.62/554,934.04 - Step 6: Final answer
x = 414,394.70
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1.5x scale
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.