Finding the Fourth Proportional to 910,603.20, 1,365,903.45 and 270,904.08
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Solution
The fourth proportional to 910,603.20, 1,365,903.45 and 270,904.08 is: 406,355.72
Step by Step Solution
- Step 1: Write the proportion equation
910,603.20 : 1,365,903.45 = 270,904.08 : x - Step 2: Convert to fraction form
910,603.20/1,365,903.45 = 270,904.08/x - Step 3: Cross multiply
910,603.20x = 1,365,903.45 × 270,904.08 - Step 4: Simplify right side
910,603.20x = 370,028,817,491.08 - Step 5: Solve for x
x = 370,028,817,491.08/910,603.20 - Step 6: Final answer
x = 406,355.72
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1.5x scale
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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.