Finding the Fourth Proportional to 474,461.10, 711,691.65 and 453,984.30
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Solution
The fourth proportional to 474,461.10, 711,691.65 and 453,984.30 is: 680,976.45
Step by Step Solution
- Step 1: Write the proportion equation
474,461.10 : 711,691.65 = 453,984.30 : x - Step 2: Convert to fraction form
474,461.10/711,691.65 = 453,984.30/x - Step 3: Cross multiply
474,461.10x = 711,691.65 × 453,984.30 - Step 4: Simplify right side
474,461.10x = 323,096,835,541.10 - Step 5: Solve for x
x = 323,096,835,541.10/474,461.10 - Step 6: Final answer
x = 680,976.45
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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.