Finding the Fourth Proportional to 808,857.70, 1,214,270.70 and 409,292.80
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Solution
The fourth proportional to 808,857.70, 1,214,270.70 and 409,292.80 is: 614,437.19
Step by Step Solution
- Step 1: Write the proportion equation
808,857.70 : 1,214,270.70 = 409,292.80 : x - Step 2: Convert to fraction form
808,857.70/1,214,270.70 = 409,292.80/x - Step 3: Cross multiply
808,857.70x = 1,214,270.70 × 409,292.80 - Step 4: Simplify right side
808,857.70x = 496,992,254,760.96 - Step 5: Solve for x
x = 496,992,254,760.96/808,857.70 - Step 6: Final answer
x = 614,437.19
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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.