Finding the Fourth Proportional to 632,638.67, 873,040.41 and 346,158.68
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Solution
The fourth proportional to 632,638.67, 873,040.41 and 346,158.68 is: 477,698.45
Step by Step Solution
- Step 1: Write the proportion equation
632,638.67 : 873,040.41 = 346,158.68 : x - Step 2: Convert to fraction form
632,638.67/873,040.41 = 346,158.68/x - Step 3: Cross multiply
632,638.67x = 873,040.41 × 346,158.68 - Step 4: Simplify right side
632,638.67x = 302,210,511,547.06 - Step 5: Solve for x
x = 302,210,511,547.06/632,638.67 - Step 6: Final answer
x = 477,698.45
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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.