Finding the Fourth Proportional to 1,019,802.99, 1,407,330.93 and 560,964.58
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Solution
The fourth proportional to 1,019,802.99, 1,407,330.93 and 560,964.58 is: 774,132.66
Step by Step Solution
- Step 1: Write the proportion equation
1,019,802.99 : 1,407,330.93 = 560,964.58 : x - Step 2: Convert to fraction form
1,019,802.99/1,407,330.93 = 560,964.58/x - Step 3: Cross multiply
1,019,802.99x = 1,407,330.93 × 560,964.58 - Step 4: Simplify right side
1,019,802.99x = 789,462,799,498.32 - Step 5: Solve for x
x = 789,462,799,498.32/1,019,802.99 - Step 6: Final answer
x = 774,132.66
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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.