Finding the Fourth Proportional to 888,658.36, 1,226,343.40 and 480,758.92
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Solution
The fourth proportional to 888,658.36, 1,226,343.40 and 480,758.92 is: 663,444.53
Step by Step Solution
- Step 1: Write the proportion equation
888,658.36 : 1,226,343.40 = 480,758.92 : x - Step 2: Convert to fraction form
888,658.36/1,226,343.40 = 480,758.92/x - Step 3: Cross multiply
888,658.36x = 1,226,343.40 × 480,758.92 - Step 4: Simplify right side
888,658.36x = 589,575,528,533.13 - Step 5: Solve for x
x = 589,575,528,533.13/888,658.36 - Step 6: Final answer
x = 663,444.53
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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.