Finding the Fourth Proportional to 774,585.38, 1,069,028.06 and 435,053.62
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Solution
The fourth proportional to 774,585.38, 1,069,028.06 and 435,053.62 is: 600,430.29
Step by Step Solution
- Step 1: Write the proportion equation
774,585.38 : 1,069,028.06 = 435,053.62 : x - Step 2: Convert to fraction form
774,585.38/1,069,028.06 = 435,053.62/x - Step 3: Cross multiply
774,585.38x = 1,069,028.06 × 435,053.62 - Step 4: Simplify right side
774,585.38x = 465,084,527,384.58 - Step 5: Solve for x
x = 465,084,527,384.58/774,585.38 - Step 6: Final answer
x = 600,430.29
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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.