Finding the Fourth Proportional to 869,633.80, 1,199,807.70 and 525,340.84
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Solution
The fourth proportional to 869,633.80, 1,199,807.70 and 525,340.84 is: 724,797.02
Step by Step Solution
- Step 1: Write the proportion equation
869,633.80 : 1,199,807.70 = 525,340.84 : x - Step 2: Convert to fraction form
869,633.80/1,199,807.70 = 525,340.84/x - Step 3: Cross multiply
869,633.80x = 1,199,807.70 × 525,340.84 - Step 4: Simplify right side
869,633.80x = 630,307,984,956.47 - Step 5: Solve for x
x = 630,307,984,956.47/869,633.80 - Step 6: Final answer
x = 724,797.02
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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.