Finding the Fourth Proportional to 607,911.10, 910,663.80 and 533,115.70
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Solution
The fourth proportional to 607,911.10, 910,663.80 and 533,115.70 is: 798,618.69
Step by Step Solution
- Step 1: Write the proportion equation
607,911.10 : 910,663.80 = 533,115.70 : x - Step 2: Convert to fraction form
607,911.10/910,663.80 = 533,115.70/x - Step 3: Cross multiply
607,911.10x = 910,663.80 × 533,115.70 - Step 4: Simplify right side
607,911.10x = 485,489,169,201.66 - Step 5: Solve for x
x = 485,489,169,201.66/607,911.10 - Step 6: Final answer
x = 798,618.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.