Finding the Fourth Proportional to 758,303.80, 1,046,465.36 and 418,772.05
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Solution
The fourth proportional to 758,303.80, 1,046,465.36 and 418,772.05 is: 577,908.81
Step by Step Solution
- Step 1: Write the proportion equation
758,303.80 : 1,046,465.36 = 418,772.05 : x - Step 2: Convert to fraction form
758,303.80/1,046,465.36 = 418,772.05/x - Step 3: Cross multiply
758,303.80x = 1,046,465.36 × 418,772.05 - Step 4: Simplify right side
758,303.80x = 438,230,442,491.96 - Step 5: Solve for x
x = 438,230,442,491.96/758,303.80 - Step 6: Final answer
x = 577,908.81
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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.