Finding the Fourth Proportional to 573,023.98, 790,767.39 and 318,369.70
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Solution
The fourth proportional to 573,023.98, 790,767.39 and 318,369.70 is: 439,347.02
Step by Step Solution
- Step 1: Write the proportion equation
573,023.98 : 790,767.39 = 318,369.70 : x - Step 2: Convert to fraction form
573,023.98/790,767.39 = 318,369.70/x - Step 3: Cross multiply
573,023.98x = 790,767.39 × 318,369.70 - Step 4: Simplify right side
573,023.98x = 251,756,376,724.08 - Step 5: Solve for x
x = 251,756,376,724.08/573,023.98 - Step 6: Final answer
x = 439,347.02
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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.