Finding the Fourth Proportional to 883,587.88, 1,220,070.36 and 720,270.01
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Solution
The fourth proportional to 883,587.88, 1,220,070.36 and 720,270.01 is: 994,558.79
Step by Step Solution
- Step 1: Write the proportion equation
883,587.88 : 1,220,070.36 = 720,270.01 : x - Step 2: Convert to fraction form
883,587.88/1,220,070.36 = 720,270.01/x - Step 3: Cross multiply
883,587.88x = 1,220,070.36 × 720,270.01 - Step 4: Simplify right side
883,587.88x = 878,780,090,397.90 - Step 5: Solve for x
x = 878,780,090,397.90/883,587.88 - Step 6: Final answer
x = 994,558.79
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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.