Finding the Fourth Proportional to 556,465.70, 834,698.55 and 346,513.70
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Solution
The fourth proportional to 556,465.70, 834,698.55 and 346,513.70 is: 519,770.55
Step by Step Solution
- Step 1: Write the proportion equation
556,465.70 : 834,698.55 = 346,513.70 : x - Step 2: Convert to fraction form
556,465.70/834,698.55 = 346,513.70/x - Step 3: Cross multiply
556,465.70x = 834,698.55 × 346,513.70 - Step 4: Simplify right side
556,465.70x = 289,234,482,945.14 - Step 5: Solve for x
x = 289,234,482,945.14/556,465.70 - Step 6: Final answer
x = 519,770.55
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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.