Finding the Fourth Proportional to 800,487.63, 1,104,681.65 and 437,903.70
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Solution
The fourth proportional to 800,487.63, 1,104,681.65 and 437,903.70 is: 604,311.88
Step by Step Solution
- Step 1: Write the proportion equation
800,487.63 : 1,104,681.65 = 437,903.70 : x - Step 2: Convert to fraction form
800,487.63/1,104,681.65 = 437,903.70/x - Step 3: Cross multiply
800,487.63x = 1,104,681.65 × 437,903.70 - Step 4: Simplify right side
800,487.63x = 483,744,182,429.29 - Step 5: Solve for x
x = 483,744,182,429.29/800,487.63 - Step 6: Final answer
x = 604,311.88
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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.