Finding the Fourth Proportional to 474,317.80, 709,748.70 and 349,901.80
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Solution
The fourth proportional to 474,317.80, 709,748.70 and 349,901.80 is: 523,577.96
Step by Step Solution
- Step 1: Write the proportion equation
474,317.80 : 709,748.70 = 349,901.80 : x - Step 2: Convert to fraction form
474,317.80/709,748.70 = 349,901.80/x - Step 3: Cross multiply
474,317.80x = 709,748.70 × 349,901.80 - Step 4: Simplify right side
474,317.80x = 248,342,347,677.66 - Step 5: Solve for x
x = 248,342,347,677.66/474,317.80 - Step 6: Final answer
x = 523,577.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.