Finding the Fourth Proportional to 688,482.09, 949,810.57 and 429,910.14
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Solution
The fourth proportional to 688,482.09, 949,810.57 and 429,910.14 is: 593,091.96
Step by Step Solution
- Step 1: Write the proportion equation
688,482.09 : 949,810.57 = 429,910.14 : x - Step 2: Convert to fraction form
688,482.09/949,810.57 = 429,910.14/x - Step 3: Cross multiply
688,482.09x = 949,810.57 × 429,910.14 - Step 4: Simplify right side
688,482.09x = 408,333,190,373.13 - Step 5: Solve for x
x = 408,333,190,373.13/688,482.09 - Step 6: Final answer
x = 593,091.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.