Finding the Fourth Proportional to 776,376.99, 1,071,820.80 and 544,515.98
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Solution
The fourth proportional to 776,376.99, 1,071,820.80 and 544,515.98 is: 751,727.00
Step by Step Solution
- Step 1: Write the proportion equation
776,376.99 : 1,071,820.80 = 544,515.98 : x - Step 2: Convert to fraction form
776,376.99/1,071,820.80 = 544,515.98/x - Step 3: Cross multiply
776,376.99x = 1,071,820.80 × 544,515.98 - Step 4: Simplify right side
776,376.99x = 583,623,549,255.54 - Step 5: Solve for x
x = 583,623,549,255.54/776,376.99 - Step 6: Final answer
x = 751,727.00
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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.