Finding the Fourth Proportional to 556,858.65, 768,465.33 and 302,209.84
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Solution
The fourth proportional to 556,858.65, 768,465.33 and 302,209.84 is: 417,049.79
Step by Step Solution
- Step 1: Write the proportion equation
556,858.65 : 768,465.33 = 302,209.84 : x - Step 2: Convert to fraction form
556,858.65/768,465.33 = 302,209.84/x - Step 3: Cross multiply
556,858.65x = 768,465.33 × 302,209.84 - Step 4: Simplify right side
556,858.65x = 232,237,779,929.53 - Step 5: Solve for x
x = 232,237,779,929.53/556,858.65 - Step 6: Final answer
x = 417,049.79
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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.