Finding the Fourth Proportional to 573,142.24, 790,900.02 and 318,478.24
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Solution
The fourth proportional to 573,142.24, 790,900.02 and 318,478.24 is: 439,479.82
Step by Step Solution
- Step 1: Write the proportion equation
573,142.24 : 790,900.02 = 318,478.24 : x - Step 2: Convert to fraction form
573,142.24/790,900.02 = 318,478.24/x - Step 3: Cross multiply
573,142.24x = 790,900.02 × 318,478.24 - Step 4: Simplify right side
573,142.24x = 251,884,446,385.57 - Step 5: Solve for x
x = 251,884,446,385.57/573,142.24 - Step 6: Final answer
x = 439,479.82
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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.