Finding the Fourth Proportional to 785,344.02, 1,083,745.08 and 479,931.09
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Solution
The fourth proportional to 785,344.02, 1,083,745.08 and 479,931.09 is: 662,286.77
Step by Step Solution
- Step 1: Write the proportion equation
785,344.02 : 1,083,745.08 = 479,931.09 : x - Step 2: Convert to fraction form
785,344.02/1,083,745.08 = 479,931.09/x - Step 3: Cross multiply
785,344.02x = 1,083,745.08 × 479,931.09 - Step 4: Simplify right side
785,344.02x = 520,122,957,526.54 - Step 5: Solve for x
x = 520,122,957,526.54/785,344.02 - Step 6: Final answer
x = 662,286.77
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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.