Finding the Fourth Proportional to 556,683.84, 768,223.74 and 302,035.02
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Solution
The fourth proportional to 556,683.84, 768,223.74 and 302,035.02 is: 416,808.35
Step by Step Solution
- Step 1: Write the proportion equation
556,683.84 : 768,223.74 = 302,035.02 : x - Step 2: Convert to fraction form
556,683.84/768,223.74 = 302,035.02/x - Step 3: Cross multiply
556,683.84x = 768,223.74 × 302,035.02 - Step 4: Simplify right side
556,683.84x = 232,030,472,675.38 - Step 5: Solve for x
x = 232,030,472,675.38/556,683.84 - Step 6: Final answer
x = 416,808.35
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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.