Finding the Fourth Proportional to 564,554.76, 778,011.62 and 554,179.68
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Solution
The fourth proportional to 564,554.76, 778,011.62 and 554,179.68 is: 763,713.75
Step by Step Solution
- Step 1: Write the proportion equation
564,554.76 : 778,011.62 = 554,179.68 : x - Step 2: Convert to fraction form
564,554.76/778,011.62 = 554,179.68/x - Step 3: Cross multiply
564,554.76x = 778,011.62 × 554,179.68 - Step 4: Simplify right side
564,554.76x = 431,158,230,607.88 - Step 5: Solve for x
x = 431,158,230,607.88/564,554.76 - Step 6: Final answer
x = 763,713.75
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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.