Finding the Fourth Proportional to 684,017.68, 1,026,251.16 and 328,984.96
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Solution
The fourth proportional to 684,017.68, 1,026,251.16 and 328,984.96 is: 493,585.48
Step by Step Solution
- Step 1: Write the proportion equation
684,017.68 : 1,026,251.16 = 328,984.96 : x - Step 2: Convert to fraction form
684,017.68/1,026,251.16 = 328,984.96/x - Step 3: Cross multiply
684,017.68x = 1,026,251.16 × 328,984.96 - Step 4: Simplify right side
684,017.68x = 337,621,196,822.55 - Step 5: Solve for x
x = 337,621,196,822.55/684,017.68 - Step 6: Final answer
x = 493,585.48
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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.