Finding the Fourth Proportional to 874,344.84, 1,206,650.70 and 530,422.08
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Solution
The fourth proportional to 874,344.84, 1,206,650.70 and 530,422.08 is: 732,015.73
Step by Step Solution
- Step 1: Write the proportion equation
874,344.84 : 1,206,650.70 = 530,422.08 : x - Step 2: Convert to fraction form
874,344.84/1,206,650.70 = 530,422.08/x - Step 3: Cross multiply
874,344.84x = 1,206,650.70 × 530,422.08 - Step 4: Simplify right side
874,344.84x = 640,034,174,127.46 - Step 5: Solve for x
x = 640,034,174,127.46/874,344.84 - Step 6: Final answer
x = 732,015.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.