Finding the Fourth Proportional to 746,900.22, 1,119,776.07 and 386,684.91
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Solution
The fourth proportional to 746,900.22, 1,119,776.07 and 386,684.91 is: 579,730.06
Step by Step Solution
- Step 1: Write the proportion equation
746,900.22 : 1,119,776.07 = 386,684.91 : x - Step 2: Convert to fraction form
746,900.22/1,119,776.07 = 386,684.91/x - Step 3: Cross multiply
746,900.22x = 1,119,776.07 × 386,684.91 - Step 4: Simplify right side
746,900.22x = 433,000,508,848.10 - Step 5: Solve for x
x = 433,000,508,848.10/746,900.22 - Step 6: Final answer
x = 579,730.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.