Finding the Fourth Proportional to 746,276.71, 1,029,862.20 and 423,987.34
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Solution
The fourth proportional to 746,276.71, 1,029,862.20 and 423,987.34 is: 585,102.72
Step by Step Solution
- Step 1: Write the proportion equation
746,276.71 : 1,029,862.20 = 423,987.34 : x - Step 2: Convert to fraction form
746,276.71/1,029,862.20 = 423,987.34/x - Step 3: Cross multiply
746,276.71x = 1,029,862.20 × 423,987.34 - Step 4: Simplify right side
746,276.71x = 436,648,534,744.55 - Step 5: Solve for x
x = 436,648,534,744.55/746,276.71 - Step 6: Final answer
x = 585,102.72
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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.