Finding the Fourth Proportional to 817,708.14, 1,226,475.92 and 218,729.74
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Solution
The fourth proportional to 817,708.14, 1,226,475.92 and 218,729.74 is: 328,071.53
Step by Step Solution
- Step 1: Write the proportion equation
817,708.14 : 1,226,475.92 = 218,729.74 : x - Step 2: Convert to fraction form
817,708.14/1,226,475.92 = 218,729.74/x - Step 3: Cross multiply
817,708.14x = 1,226,475.92 × 218,729.74 - Step 4: Simplify right side
817,708.14x = 268,266,759,097.86 - Step 5: Solve for x
x = 268,266,759,097.86/817,708.14 - Step 6: Final answer
x = 328,071.53
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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.