Finding the Fourth Proportional to 975,212.74, 1,462,293.14 and 442,443.08
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Solution
The fourth proportional to 975,212.74, 1,462,293.14 and 442,443.08 is: 663,425.99
Step by Step Solution
- Step 1: Write the proportion equation
975,212.74 : 1,462,293.14 = 442,443.08 : x - Step 2: Convert to fraction form
975,212.74/1,462,293.14 = 442,443.08/x - Step 3: Cross multiply
975,212.74x = 1,462,293.14 × 442,443.08 - Step 4: Simplify right side
975,212.74x = 646,981,480,724.47 - Step 5: Solve for x
x = 646,981,480,724.47/975,212.74 - Step 6: Final answer
x = 663,425.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.