Finding the Fourth Proportional to 779,652.36, 1,075,908.66 and 435,493.08
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Solution
The fourth proportional to 779,652.36, 1,075,908.66 and 435,493.08 is: 600,973.97
Step by Step Solution
- Step 1: Write the proportion equation
779,652.36 : 1,075,908.66 = 435,493.08 : x - Step 2: Convert to fraction form
779,652.36/1,075,908.66 = 435,493.08/x - Step 3: Cross multiply
779,652.36x = 1,075,908.66 × 435,493.08 - Step 4: Simplify right side
779,652.36x = 468,550,776,142.07 - Step 5: Solve for x
x = 468,550,776,142.07/779,652.36 - Step 6: Final answer
x = 600,973.97
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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.