Finding the Fourth Proportional to 869,525.99, 1,199,958.30 and 525,314.06
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Solution
The fourth proportional to 869,525.99, 1,199,958.30 and 525,314.06 is: 724,940.91
Step by Step Solution
- Step 1: Write the proportion equation
869,525.99 : 1,199,958.30 = 525,314.06 : x - Step 2: Convert to fraction form
869,525.99/1,199,958.30 = 525,314.06/x - Step 3: Cross multiply
869,525.99x = 1,199,958.30 × 525,314.06 - Step 4: Simplify right side
869,525.99x = 630,354,964,903.75 - Step 5: Solve for x
x = 630,354,964,903.75/869,525.99 - Step 6: Final answer
x = 724,940.91
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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.