Finding the Fourth Proportional to 698,701.80, 1,048,052.70 and 249,637.80
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Solution
The fourth proportional to 698,701.80, 1,048,052.70 and 249,637.80 is: 374,456.70
Step by Step Solution
- Step 1: Write the proportion equation
698,701.80 : 1,048,052.70 = 249,637.80 : x - Step 2: Convert to fraction form
698,701.80/1,048,052.70 = 249,637.80/x - Step 3: Cross multiply
698,701.80x = 1,048,052.70 × 249,637.80 - Step 4: Simplify right side
698,701.80x = 261,633,570,312.06 - Step 5: Solve for x
x = 261,633,570,312.06/698,701.80 - Step 6: Final answer
x = 374,456.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.