Finding the Fourth Proportional to 606,607.83, 909,173.84 and 429,165.99
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Solution
The fourth proportional to 606,607.83, 909,173.84 and 429,165.99 is: 643,226.92
Step by Step Solution
- Step 1: Write the proportion equation
606,607.83 : 909,173.84 = 429,165.99 : x - Step 2: Convert to fraction form
606,607.83/909,173.84 = 429,165.99/x - Step 3: Cross multiply
606,607.83x = 909,173.84 × 429,165.99 - Step 4: Simplify right side
606,607.83x = 390,186,488,979.87 - Step 5: Solve for x
x = 390,186,488,979.87/606,607.83 - Step 6: Final answer
x = 643,226.92
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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.