Finding the Fourth Proportional to 1,426,864.40, 2,140,625.99 and 480,212.00
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Solution
The fourth proportional to 1,426,864.40, 2,140,625.99 and 480,212.00 is: 720,428.85
Step by Step Solution
- Step 1: Write the proportion equation
1,426,864.40 : 2,140,625.99 = 480,212.00 : x - Step 2: Convert to fraction form
1,426,864.40/2,140,625.99 = 480,212.00/x - Step 3: Cross multiply
1,426,864.40x = 2,140,625.99 × 480,212.00 - Step 4: Simplify right side
1,426,864.40x = 1,027,954,277,206.75 - Step 5: Solve for x
x = 1,027,954,277,206.75/1,426,864.40 - Step 6: Final answer
x = 720,428.85
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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.