Finding the Fourth Proportional to 567,210.24, 782,740.09 and 309,089.46
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Solution
The fourth proportional to 567,210.24, 782,740.09 and 309,089.46 is: 426,537.99
Step by Step Solution
- Step 1: Write the proportion equation
567,210.24 : 782,740.09 = 309,089.46 : x - Step 2: Convert to fraction form
567,210.24/782,740.09 = 309,089.46/x - Step 3: Cross multiply
567,210.24x = 782,740.09 × 309,089.46 - Step 4: Simplify right side
567,210.24x = 241,936,715,060.09 - Step 5: Solve for x
x = 241,936,715,060.09/567,210.24 - Step 6: Final answer
x = 426,537.99
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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.