Finding the Fourth Proportional to 684,031.08, 943,943.58 and 382,225.08
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Solution
The fourth proportional to 684,031.08, 943,943.58 and 382,225.08 is: 527,459.82
Step by Step Solution
- Step 1: Write the proportion equation
684,031.08 : 943,943.58 = 382,225.08 : x - Step 2: Convert to fraction form
684,031.08/943,943.58 = 382,225.08/x - Step 3: Cross multiply
684,031.08x = 943,943.58 × 382,225.08 - Step 4: Simplify right side
684,031.08x = 360,798,910,380.99 - Step 5: Solve for x
x = 360,798,910,380.99/684,031.08 - Step 6: Final answer
x = 527,459.82
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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.