Finding the Fourth Proportional to 695,970.24, 960,423.08 and 405,563.64
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Solution
The fourth proportional to 695,970.24, 960,423.08 and 405,563.64 is: 559,668.59
Step by Step Solution
- Step 1: Write the proportion equation
695,970.24 : 960,423.08 = 405,563.64 : x - Step 2: Convert to fraction form
695,970.24/960,423.08 = 405,563.64/x - Step 3: Cross multiply
695,970.24x = 960,423.08 × 405,563.64 - Step 4: Simplify right side
695,970.24x = 389,512,680,264.81 - Step 5: Solve for x
x = 389,512,680,264.81/695,970.24 - Step 6: Final answer
x = 559,668.59
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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.