Finding the Fourth Proportional to 474,506.12, 654,798.92 and 283,624.76
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Solution
The fourth proportional to 474,506.12, 654,798.92 and 283,624.76 is: 391,390.50
Step by Step Solution
- Step 1: Write the proportion equation
474,506.12 : 654,798.92 = 283,624.76 : x - Step 2: Convert to fraction form
474,506.12/654,798.92 = 283,624.76/x - Step 3: Cross multiply
474,506.12x = 654,798.92 × 283,624.76 - Step 4: Simplify right side
474,506.12x = 185,717,186,533.26 - Step 5: Solve for x
x = 185,717,186,533.26/474,506.12 - Step 6: Final answer
x = 391,390.50
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1.5x scale
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.