Finding the Fourth Proportional to 677,132.04, 1,015,614.99 and 392,977.20
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Solution
The fourth proportional to 677,132.04, 1,015,614.99 and 392,977.20 is: 589,417.59
Step by Step Solution
- Step 1: Write the proportion equation
677,132.04 : 1,015,614.99 = 392,977.20 : x - Step 2: Convert to fraction form
677,132.04/1,015,614.99 = 392,977.20/x - Step 3: Cross multiply
677,132.04x = 1,015,614.99 × 392,977.20 - Step 4: Simplify right side
677,132.04x = 399,113,535,048.23 - Step 5: Solve for x
x = 399,113,535,048.23/677,132.04 - Step 6: Final answer
x = 589,417.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.