Finding the Fourth Proportional to 695,416.20, 1,043,124.30 and 246,643.80
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Solution
The fourth proportional to 695,416.20, 1,043,124.30 and 246,643.80 is: 369,965.70
Step by Step Solution
- Step 1: Write the proportion equation
695,416.20 : 1,043,124.30 = 246,643.80 : x - Step 2: Convert to fraction form
695,416.20/1,043,124.30 = 246,643.80/x - Step 3: Cross multiply
695,416.20x = 1,043,124.30 × 246,643.80 - Step 4: Simplify right side
695,416.20x = 257,280,141,224.34 - Step 5: Solve for x
x = 257,280,141,224.34/695,416.20 - Step 6: Final answer
x = 369,965.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.