Finding the Fourth Proportional to 625,348.47, 862,997.58 and 380,248.68
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Solution
The fourth proportional to 625,348.47, 862,997.58 and 380,248.68 is: 524,753.33
Step by Step Solution
- Step 1: Write the proportion equation
625,348.47 : 862,997.58 = 380,248.68 : x - Step 2: Convert to fraction form
625,348.47/862,997.58 = 380,248.68/x - Step 3: Cross multiply
625,348.47x = 862,997.58 × 380,248.68 - Step 4: Simplify right side
625,348.47x = 328,153,690,638.19 - Step 5: Solve for x
x = 328,153,690,638.19/625,348.47 - Step 6: Final answer
x = 524,753.33
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1.5x scale
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.