Finding the Fourth Proportional to 632,658.90, 873,069.28 and 346,178.99
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Solution
The fourth proportional to 632,658.90, 873,069.28 and 346,178.99 is: 477,727.00
Step by Step Solution
- Step 1: Write the proportion equation
632,658.90 : 873,069.28 = 346,178.99 : x - Step 2: Convert to fraction form
632,658.90/873,069.28 = 346,178.99/x - Step 3: Cross multiply
632,658.90x = 873,069.28 × 346,178.99 - Step 4: Simplify right side
632,658.90x = 302,238,237,185.08 - Step 5: Solve for x
x = 302,238,237,185.08/632,658.90 - Step 6: Final answer
x = 477,727.00
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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.