Finding the Fourth Proportional to 782,962.08, 1,174,436.64 and 465,315.36
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Solution
The fourth proportional to 782,962.08, 1,174,436.64 and 465,315.36 is: 697,969.19
Step by Step Solution
- Step 1: Write the proportion equation
782,962.08 : 1,174,436.64 = 465,315.36 : x - Step 2: Convert to fraction form
782,962.08/1,174,436.64 = 465,315.36/x - Step 3: Cross multiply
782,962.08x = 1,174,436.64 × 465,315.36 - Step 4: Simplify right side
782,962.08x = 546,483,407,938.79 - Step 5: Solve for x
x = 546,483,407,938.79/782,962.08 - Step 6: Final answer
x = 697,969.19
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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.