Finding the Fourth Proportional to 630,437.68, 946,160.44 and 326,918.08
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Solution
The fourth proportional to 630,437.68, 946,160.44 and 326,918.08 is: 490,638.43
Step by Step Solution
- Step 1: Write the proportion equation
630,437.68 : 946,160.44 = 326,918.08 : x - Step 2: Convert to fraction form
630,437.68/946,160.44 = 326,918.08/x - Step 3: Cross multiply
630,437.68x = 946,160.44 × 326,918.08 - Step 4: Simplify right side
630,437.68x = 309,316,954,416.76 - Step 5: Solve for x
x = 309,316,954,416.76/630,437.68 - Step 6: Final answer
x = 490,638.43
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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.