Finding the Fourth Proportional to 842,624.30, 1,162,737.99 and 480,026.56
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Solution
The fourth proportional to 842,624.30, 1,162,737.99 and 480,026.56 is: 662,389.05
Step by Step Solution
- Step 1: Write the proportion equation
842,624.30 : 1,162,737.99 = 480,026.56 : x - Step 2: Convert to fraction form
842,624.30/1,162,737.99 = 480,026.56/x - Step 3: Cross multiply
842,624.30x = 1,162,737.99 × 480,026.56 - Step 4: Simplify right side
842,624.30x = 558,145,109,307.19 - Step 5: Solve for x
x = 558,145,109,307.19/842,624.30 - Step 6: Final answer
x = 662,389.05
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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.