Finding the Fourth Proportional to 712,628.74, 983,525.49 and 436,937.82
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Solution
The fourth proportional to 712,628.74, 983,525.49 and 436,937.82 is: 603,034.17
Step by Step Solution
- Step 1: Write the proportion equation
712,628.74 : 983,525.49 = 436,937.82 : x - Step 2: Convert to fraction form
712,628.74/983,525.49 = 436,937.82/x - Step 3: Cross multiply
712,628.74x = 983,525.49 × 436,937.82 - Step 4: Simplify right side
712,628.74x = 429,739,483,515.03 - Step 5: Solve for x
x = 429,739,483,515.03/712,628.74 - Step 6: Final answer
x = 603,034.17
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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.