Finding the Fourth Proportional to 572,233.44, 789,645.36 and 317,584.80
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Solution
The fourth proportional to 572,233.44, 789,645.36 and 317,584.80 is: 438,246.61
Step by Step Solution
- Step 1: Write the proportion equation
572,233.44 : 789,645.36 = 317,584.80 : x - Step 2: Convert to fraction form
572,233.44/789,645.36 = 317,584.80/x - Step 3: Cross multiply
572,233.44x = 789,645.36 × 317,584.80 - Step 4: Simplify right side
572,233.44x = 250,779,363,726.53 - Step 5: Solve for x
x = 250,779,363,726.53/572,233.44 - Step 6: Final answer
x = 438,246.61
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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.