Finding the Fourth Proportional to 632,911.33, 873,439.84 and 346,431.65
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Solution
The fourth proportional to 632,911.33, 873,439.84 and 346,431.65 is: 478,087.82
Step by Step Solution
- Step 1: Write the proportion equation
632,911.33 : 873,439.84 = 346,431.65 : x - Step 2: Convert to fraction form
632,911.33/873,439.84 = 346,431.65/x - Step 3: Cross multiply
632,911.33x = 873,439.84 × 346,431.65 - Step 4: Simplify right side
632,911.33x = 302,587,201,012.78 - Step 5: Solve for x
x = 302,587,201,012.78/632,911.33 - Step 6: Final answer
x = 478,087.82
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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.