Finding the Fourth Proportional to 695,863.98, 960,276.00 and 409,402.49
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Solution
The fourth proportional to 695,863.98, 960,276.00 and 409,402.49 is: 564,965.84
Step by Step Solution
- Step 1: Write the proportion equation
695,863.98 : 960,276.00 = 409,402.49 : x - Step 2: Convert to fraction form
695,863.98/960,276.00 = 409,402.49/x - Step 3: Cross multiply
695,863.98x = 960,276.00 × 409,402.49 - Step 4: Simplify right side
695,863.98x = 393,139,378,638.85 - Step 5: Solve for x
x = 393,139,378,638.85/695,863.98 - Step 6: Final answer
x = 564,965.84
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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.