Finding the Fourth Proportional to 695,869.14, 960,283.10 and 409,407.64
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Solution
The fourth proportional to 695,869.14, 960,283.10 and 409,407.64 is: 564,972.95
Step by Step Solution
- Step 1: Write the proportion equation
695,869.14 : 960,283.10 = 409,407.64 : x - Step 2: Convert to fraction form
695,869.14/960,283.10 = 409,407.64/x - Step 3: Cross multiply
695,869.14x = 960,283.10 × 409,407.64 - Step 4: Simplify right side
695,869.14x = 393,147,237,702.88 - Step 5: Solve for x
x = 393,147,237,702.88/695,869.14 - Step 6: Final answer
x = 564,972.95
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1.5x scale
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.