Finding the Fourth Proportional to 869,541.93, 1,199,966.76 and 482,416.08
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Solution
The fourth proportional to 869,541.93, 1,199,966.76 and 482,416.08 is: 665,733.58
Step by Step Solution
- Step 1: Write the proportion equation
869,541.93 : 1,199,966.76 = 482,416.08 : x - Step 2: Convert to fraction form
869,541.93/1,199,966.76 = 482,416.08/x - Step 3: Cross multiply
869,541.93x = 1,199,966.76 × 482,416.08 - Step 4: Simplify right side
869,541.93x = 578,883,260,489.50 - Step 5: Solve for x
x = 578,883,260,489.50/869,541.93 - Step 6: Final answer
x = 665,733.58
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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.