Finding the Fourth Proportional to 556,301.70, 834,452.55 and 346,349.70
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Solution
The fourth proportional to 556,301.70, 834,452.55 and 346,349.70 is: 519,524.55
Step by Step Solution
- Step 1: Write the proportion equation
556,301.70 : 834,452.55 = 346,349.70 : x - Step 2: Convert to fraction form
556,301.70/834,452.55 = 346,349.70/x - Step 3: Cross multiply
556,301.70x = 834,452.55 × 346,349.70 - Step 4: Simplify right side
556,301.70x = 289,012,390,356.74 - Step 5: Solve for x
x = 289,012,390,356.74/556,301.70 - Step 6: Final answer
x = 519,524.55
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Double scale
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Similar ratio
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1.5x scale
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.