Finding the Fourth Proportional to 553,220.80, 828,448.80 and 442,628.80
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Solution
The fourth proportional to 553,220.80, 828,448.80 and 442,628.80 is: 662,837.15
Step by Step Solution
- Step 1: Write the proportion equation
553,220.80 : 828,448.80 = 442,628.80 : x - Step 2: Convert to fraction form
553,220.80/828,448.80 = 442,628.80/x - Step 3: Cross multiply
553,220.80x = 828,448.80 × 442,628.80 - Step 4: Simplify right side
553,220.80x = 366,695,298,205.44 - Step 5: Solve for x
x = 366,695,298,205.44/553,220.80 - Step 6: Final answer
x = 662,837.15
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1.5x scale
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.