Finding the Fourth Proportional to 869,214.68, 1,199,420.16 and 482,020.36
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Solution
The fourth proportional to 869,214.68, 1,199,420.16 and 482,020.36 is: 665,134.81
Step by Step Solution
- Step 1: Write the proportion equation
869,214.68 : 1,199,420.16 = 482,020.36 : x - Step 2: Convert to fraction form
869,214.68/1,199,420.16 = 482,020.36/x - Step 3: Cross multiply
869,214.68x = 1,199,420.16 × 482,020.36 - Step 4: Simplify right side
869,214.68x = 578,144,937,314.46 - Step 5: Solve for x
x = 578,144,937,314.46/869,214.68 - Step 6: Final answer
x = 665,134.81
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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.