Finding the Fourth Proportional to 909,430.54, 1,363,770.47 and 310,439.99
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Solution
The fourth proportional to 909,430.54, 1,363,770.47 and 310,439.99 is: 465,531.87
Step by Step Solution
- Step 1: Write the proportion equation
909,430.54 : 1,363,770.47 = 310,439.99 : x - Step 2: Convert to fraction form
909,430.54/1,363,770.47 = 310,439.99/x - Step 3: Cross multiply
909,430.54x = 1,363,770.47 × 310,439.99 - Step 4: Simplify right side
909,430.54x = 423,368,895,254.62 - Step 5: Solve for x
x = 423,368,895,254.62/909,430.54 - Step 6: Final answer
x = 465,531.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.