Finding the Fourth Proportional to 949,544.30, 1,423,885.68 and 409,545.42
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Solution
The fourth proportional to 949,544.30, 1,423,885.68 and 409,545.42 is: 614,132.34
Step by Step Solution
- Step 1: Write the proportion equation
949,544.30 : 1,423,885.68 = 409,545.42 : x - Step 2: Convert to fraction form
949,544.30/1,423,885.68 = 409,545.42/x - Step 3: Cross multiply
949,544.30x = 1,423,885.68 × 409,545.42 - Step 4: Simplify right side
949,544.30x = 583,145,858,847.59 - Step 5: Solve for x
x = 583,145,858,847.59/949,544.30 - Step 6: Final answer
x = 614,132.34
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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.