Finding the Fourth Proportional to 639,030.27, 881,830.99 and 348,624.55
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Solution
The fourth proportional to 639,030.27, 881,830.99 and 348,624.55 is: 481,085.09
Step by Step Solution
- Step 1: Write the proportion equation
639,030.27 : 881,830.99 = 348,624.55 : x - Step 2: Convert to fraction form
639,030.27/881,830.99 = 348,624.55/x - Step 3: Cross multiply
639,030.27x = 881,830.99 × 348,624.55 - Step 4: Simplify right side
639,030.27x = 307,427,932,064.81 - Step 5: Solve for x
x = 307,427,932,064.81/639,030.27 - Step 6: Final answer
x = 481,085.09
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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.