Finding the Fourth Proportional to 688,484.09, 949,813.33 and 429,912.14
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Solution
The fourth proportional to 688,484.09, 949,813.33 and 429,912.14 is: 593,094.72
Step by Step Solution
- Step 1: Write the proportion equation
688,484.09 : 949,813.33 = 429,912.14 : x - Step 2: Convert to fraction form
688,484.09/949,813.33 = 429,912.14/x - Step 3: Cross multiply
688,484.09x = 949,813.33 × 429,912.14 - Step 4: Simplify right side
688,484.09x = 408,336,281,300.83 - Step 5: Solve for x
x = 408,336,281,300.83/688,484.09 - Step 6: Final answer
x = 593,094.72
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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.