Finding the Fourth Proportional to 403,913.30, 564,372.70 and 403,913.30
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Solution
The fourth proportional to 403,913.30, 564,372.70 and 403,913.30 is: 564,372.70
Step by Step Solution
- Step 1: Write the proportion equation
403,913.30 : 564,372.70 = 403,913.30 : x - Step 2: Convert to fraction form
403,913.30/564,372.70 = 403,913.30/x - Step 3: Cross multiply
403,913.30x = 564,372.70 × 403,913.30 - Step 4: Simplify right side
403,913.30x = 227,957,639,686.91 - Step 5: Solve for x
x = 227,957,639,686.91/403,913.30 - Step 6: Final answer
x = 564,372.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.