Finding the Fourth Proportional to 670,730.68, 925,607.82 and 384,236.92
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Solution
The fourth proportional to 670,730.68, 925,607.82 and 384,236.92 is: 530,246.65
Step by Step Solution
- Step 1: Write the proportion equation
670,730.68 : 925,607.82 = 384,236.92 : x - Step 2: Convert to fraction form
670,730.68/925,607.82 = 384,236.92/x - Step 3: Cross multiply
670,730.68x = 925,607.82 × 384,236.92 - Step 4: Simplify right side
670,730.68x = 355,652,697,884.71 - Step 5: Solve for x
x = 355,652,697,884.71/670,730.68 - Step 6: Final answer
x = 530,246.65
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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.