Finding the Fourth Proportional to 474,197.44, 711,417.68 and 402,378.80
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Solution
The fourth proportional to 474,197.44, 711,417.68 and 402,378.80 is: 603,671.32
Step by Step Solution
- Step 1: Write the proportion equation
474,197.44 : 711,417.68 = 402,378.80 : x - Step 2: Convert to fraction form
474,197.44/711,417.68 = 402,378.80/x - Step 3: Cross multiply
474,197.44x = 711,417.68 × 402,378.80 - Step 4: Simplify right side
474,197.44x = 286,259,392,377.18 - Step 5: Solve for x
x = 286,259,392,377.18/474,197.44 - Step 6: Final answer
x = 603,671.32
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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.