Finding the Fourth Proportional to 608,337.68, 839,511.40 and 336,423.84
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Solution
The fourth proportional to 608,337.68, 839,511.40 and 336,423.84 is: 464,267.89
Step by Step Solution
- Step 1: Write the proportion equation
608,337.68 : 839,511.40 = 336,423.84 : x - Step 2: Convert to fraction form
608,337.68/839,511.40 = 336,423.84/x - Step 3: Cross multiply
608,337.68x = 839,511.40 × 336,423.84 - Step 4: Simplify right side
608,337.68x = 282,431,648,911.78 - Step 5: Solve for x
x = 282,431,648,911.78/608,337.68 - Step 6: Final answer
x = 464,267.89
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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.